82738280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26183}}^1$

素因数の和:26273

約数の個数: 32

約数和(自身を含む): 188524800

約数和(自身を除く): 105786520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 26183, 52366, 104732, 130915, 209464, 261830, 523660, 1047320, 2068457, 4136914, 8273828, 10342285, 16547656, 20684570, 41369140, 82738280]

約数ペア:

[(1, 82738280), (2, 41369140), (4, 20684570), (5, 16547656), (8, 10342285), (10, 8273828), (20, 4136914), (40, 2068457), (79, 1047320), (158, 523660), (316, 261830), (395, 209464), (632, 130915), (790, 104732), (1580, 52366), (3160, 26183)]