72413240

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{5821}}^1$

素因数の和:6143

約数の個数: 32

約数和(自身を含む): 163481760

約数和(自身を除く): 91068520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 5821, 6220, 11642, 12440, 23284, 29105, 46568, 58210, 116420, 232840, 1810331, 3620662, 7241324, 9051655, 14482648, 18103310, 36206620, 72413240]

約数ペア:

[(1, 72413240), (2, 36206620), (4, 18103310), (5, 14482648), (8, 9051655), (10, 7241324), (20, 3620662), (40, 1810331), (311, 232840), (622, 116420), (1244, 58210), (1555, 46568), (2488, 29105), (3110, 23284), (5821, 12440), (6220, 11642)]