28208000

素因数分解:

$2^7\times 5^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 73513440

約数和(自身を除く): 45305440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 43, 50, 64, 80, 82, 86, 100, 125, 128, 160, 164, 172, 200, 205, 215, 250, 320, 328, 344, 400, 410, 430, 500, 640, 656, 688, 800, 820, 860, 1000, 1025, 1075, 1312, 1376, 1600, 1640, 1720, 1763, 2000, 2050, 2150, 2624, 2752, 3200, 3280, 3440, 3526, 4000, 4100, 4300, 5125, 5248, 5375, 5504, 6560, 6880, 7052, 8000, 8200, 8600, 8815, 10250, 10750, 13120, 13760, 14104, 16000, 16400, 17200, 17630, 20500, 21500, 26240, 27520, 28208, 32800, 34400, 35260, 41000, 43000, 44075, 56416, 65600, 68800, 70520, 82000, 86000, 88150, 112832, 131200, 137600, 141040, 164000, 172000, 176300, 220375, 225664, 282080, 328000, 344000, 352600, 440750, 564160, 656000, 688000, 705200, 881500, 1128320, 1410400, 1763000, 2820800, 3526000, 5641600, 7052000, 14104000, 28208000]

約数ペア:

[(1, 28208000), (2, 14104000), (4, 7052000), (5, 5641600), (8, 3526000), (10, 2820800), (16, 1763000), (20, 1410400), (25, 1128320), (32, 881500), (40, 705200), (41, 688000), (43, 656000), (50, 564160), (64, 440750), (80, 352600), (82, 344000), (86, 328000), (100, 282080), (125, 225664), (128, 220375), (160, 176300), (164, 172000), (172, 164000), (200, 141040), (205, 137600), (215, 131200), (250, 112832), (320, 88150), (328, 86000), (344, 82000), (400, 70520), (410, 68800), (430, 65600), (500, 56416), (640, 44075), (656, 43000), (688, 41000), (800, 35260), (820, 34400), (860, 32800), (1000, 28208), (1025, 27520), (1075, 26240), (1312, 21500), (1376, 20500), (1600, 17630), (1640, 17200), (1720, 16400), (1763, 16000), (2000, 14104), (2050, 13760), (2150, 13120), (2624, 10750), (2752, 10250), (3200, 8815), (3280, 8600), (3440, 8200), (3526, 8000), (4000, 7052), (4100, 6880), (4300, 6560), (5125, 5504), (5248, 5375)]