2669440

素因数分解:

$2^7\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 6597360

約数和(自身を除く): 3927920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 97, 128, 160, 172, 194, 215, 320, 344, 388, 430, 485, 640, 688, 776, 860, 970, 1376, 1552, 1720, 1940, 2752, 3104, 3440, 3880, 4171, 5504, 6208, 6880, 7760, 8342, 12416, 13760, 15520, 16684, 20855, 27520, 31040, 33368, 41710, 62080, 66736, 83420, 133472, 166840, 266944, 333680, 533888, 667360, 1334720, 2669440]

約数ペア:

[(1, 2669440), (2, 1334720), (4, 667360), (5, 533888), (8, 333680), (10, 266944), (16, 166840), (20, 133472), (32, 83420), (40, 66736), (43, 62080), (64, 41710), (80, 33368), (86, 31040), (97, 27520), (128, 20855), (160, 16684), (172, 15520), (194, 13760), (215, 12416), (320, 8342), (344, 7760), (388, 6880), (430, 6208), (485, 5504), (640, 4171), (688, 3880), (776, 3440), (860, 3104), (970, 2752), (1376, 1940), (1552, 1720)]