99213680

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{5189}}^1$

素因数の和:5441

約数の個数: 40

約数和(自身を含む): 231681600

約数和(自身を除く): 132467920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4780, 5189, 9560, 10378, 19120, 20756, 25945, 41512, 51890, 83024, 103780, 207560, 415120, 1240171, 2480342, 4960684, 6200855, 9921368, 12401710, 19842736, 24803420, 49606840, 99213680]

約数ペア:

[(1, 99213680), (2, 49606840), (4, 24803420), (5, 19842736), (8, 12401710), (10, 9921368), (16, 6200855), (20, 4960684), (40, 2480342), (80, 1240171), (239, 415120), (478, 207560), (956, 103780), (1195, 83024), (1912, 51890), (2390, 41512), (3824, 25945), (4780, 20756), (5189, 19120), (9560, 10378)]