66780800

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{509}}^1$

素因数の和:574

約数の個数: 96

約数和(自身を含む): 169325100

約数和(自身を除く): 102544300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 320, 328, 400, 410, 509, 640, 656, 800, 820, 1018, 1025, 1312, 1600, 1640, 2036, 2050, 2545, 2624, 3200, 3280, 4072, 4100, 5090, 5248, 6560, 8144, 8200, 10180, 12725, 13120, 16288, 16400, 20360, 20869, 25450, 26240, 32576, 32800, 40720, 41738, 50900, 65152, 65600, 81440, 83476, 101800, 104345, 131200, 162880, 166952, 203600, 208690, 325760, 333904, 407200, 417380, 521725, 667808, 814400, 834760, 1043450, 1335616, 1628800, 1669520, 2086900, 2671232, 3339040, 4173800, 6678080, 8347600, 13356160, 16695200, 33390400, 66780800]

約数ペア:

[(1, 66780800), (2, 33390400), (4, 16695200), (5, 13356160), (8, 8347600), (10, 6678080), (16, 4173800), (20, 3339040), (25, 2671232), (32, 2086900), (40, 1669520), (41, 1628800), (50, 1335616), (64, 1043450), (80, 834760), (82, 814400), (100, 667808), (128, 521725), (160, 417380), (164, 407200), (200, 333904), (205, 325760), (320, 208690), (328, 203600), (400, 166952), (410, 162880), (509, 131200), (640, 104345), (656, 101800), (800, 83476), (820, 81440), (1018, 65600), (1025, 65152), (1312, 50900), (1600, 41738), (1640, 40720), (2036, 32800), (2050, 32576), (2545, 26240), (2624, 25450), (3200, 20869), (3280, 20360), (4072, 16400), (4100, 16288), (5090, 13120), (5248, 12725), (6560, 10180), (8144, 8200)]