20100656000

素因数分解:

$2^7\times 5^3\times {\mathrm{103}}^1\times {\mathrm{12197}}^1$

素因数の和:12329

約数の個数: 128

約数和(自身を含む): 50464589760

約数和(自身を除く): 30363933760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 103, 125, 128, 160, 200, 206, 250, 320, 400, 412, 500, 515, 640, 800, 824, 1000, 1030, 1600, 1648, 2000, 2060, 2575, 3200, 3296, 4000, 4120, 5150, 6592, 8000, 8240, 10300, 12197, 12875, 13184, 16000, 16480, 20600, 24394, 25750, 32960, 41200, 48788, 51500, 60985, 65920, 82400, 97576, 103000, 121970, 164800, 195152, 206000, 243940, 304925, 329600, 390304, 412000, 487880, 609850, 780608, 824000, 975760, 1219700, 1256291, 1524625, 1561216, 1648000, 1951520, 2439400, 2512582, 3049250, 3903040, 4878800, 5025164, 6098500, 6281455, 7806080, 9757600, 10050328, 12197000, 12562910, 19515200, 20100656, 24394000, 25125820, 31407275, 39030400, 40201312, 48788000, 50251640, 62814550, 80402624, 97576000, 100503280, 125629100, 157036375, 160805248, 195152000, 201006560, 251258200, 314072750, 402013120, 502516400, 628145500, 804026240, 1005032800, 1256291000, 2010065600, 2512582000, 4020131200, 5025164000, 10050328000, 20100656000]

約数ペア:

[(1, 20100656000), (2, 10050328000), (4, 5025164000), (5, 4020131200), (8, 2512582000), (10, 2010065600), (16, 1256291000), (20, 1005032800), (25, 804026240), (32, 628145500), (40, 502516400), (50, 402013120), (64, 314072750), (80, 251258200), (100, 201006560), (103, 195152000), (125, 160805248), (128, 157036375), (160, 125629100), (200, 100503280), (206, 97576000), (250, 80402624), (320, 62814550), (400, 50251640), (412, 48788000), (500, 40201312), (515, 39030400), (640, 31407275), (800, 25125820), (824, 24394000), (1000, 20100656), (1030, 19515200), (1600, 12562910), (1648, 12197000), (2000, 10050328), (2060, 9757600), (2575, 7806080), (3200, 6281455), (3296, 6098500), (4000, 5025164), (4120, 4878800), (5150, 3903040), (6592, 3049250), (8000, 2512582), (8240, 2439400), (10300, 1951520), (12197, 1648000), (12875, 1561216), (13184, 1524625), (16000, 1256291), (16480, 1219700), (20600, 975760), (24394, 824000), (25750, 780608), (32960, 609850), (41200, 487880), (48788, 412000), (51500, 390304), (60985, 329600), (65920, 304925), (82400, 243940), (97576, 206000), (103000, 195152), (121970, 164800)]