82407880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55681}}^1$

素因数の和:55729

約数の個数: 32

約数和(自身を含む): 190432440

約数和(自身を除く): 108024560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 55681, 111362, 222724, 278405, 445448, 556810, 1113620, 2060197, 2227240, 4120394, 8240788, 10300985, 16481576, 20601970, 41203940, 82407880]

約数ペア:

[(1, 82407880), (2, 41203940), (4, 20601970), (5, 16481576), (8, 10300985), (10, 8240788), (20, 4120394), (37, 2227240), (40, 2060197), (74, 1113620), (148, 556810), (185, 445448), (296, 278405), (370, 222724), (740, 111362), (1480, 55681)]