667360

素因数分解:

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

素因数の和:155

約数の個数: 48

約数和(自身を含む): 1629936

約数和(自身を除く): 962576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 97, 160, 172, 194, 215, 344, 388, 430, 485, 688, 776, 860, 970, 1376, 1552, 1720, 1940, 3104, 3440, 3880, 4171, 6880, 7760, 8342, 15520, 16684, 20855, 33368, 41710, 66736, 83420, 133472, 166840, 333680, 667360]

約数ペア:

[(1, 667360), (2, 333680), (4, 166840), (5, 133472), (8, 83420), (10, 66736), (16, 41710), (20, 33368), (32, 20855), (40, 16684), (43, 15520), (80, 8342), (86, 7760), (97, 6880), (160, 4171), (172, 3880), (194, 3440), (215, 3104), (344, 1940), (388, 1720), (430, 1552), (485, 1376), (688, 970), (776, 860)]