71880400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2620

約数の個数: 60

約数和(自身を含む): 175194144

約数和(自身を除く): 103313744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2531, 2840, 3550, 5062, 5680, 7100, 10124, 12655, 14200, 20248, 25310, 28400, 40496, 50620, 63275, 101240, 126550, 179701, 202480, 253100, 359402, 506200, 718804, 898505, 1012400, 1437608, 1797010, 2875216, 3594020, 4492525, 7188040, 8985050, 14376080, 17970100, 35940200, 71880400]

約数ペア:

[(1, 71880400), (2, 35940200), (4, 17970100), (5, 14376080), (8, 8985050), (10, 7188040), (16, 4492525), (20, 3594020), (25, 2875216), (40, 1797010), (50, 1437608), (71, 1012400), (80, 898505), (100, 718804), (142, 506200), (200, 359402), (284, 253100), (355, 202480), (400, 179701), (568, 126550), (710, 101240), (1136, 63275), (1420, 50620), (1775, 40496), (2531, 28400), (2840, 25310), (3550, 20248), (5062, 14200), (5680, 12655), (7100, 10124)]