416604920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131837}}^1$

素因数の和:131927

約数の個数: 32

約数和(自身を含む): 949233600

約数和(自身を除く): 532628680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 131837, 263674, 527348, 659185, 1054696, 1318370, 2636740, 5273480, 10415123, 20830246, 41660492, 52075615, 83320984, 104151230, 208302460, 416604920]

約数ペア:

[(1, 416604920), (2, 208302460), (4, 104151230), (5, 83320984), (8, 52075615), (10, 41660492), (20, 20830246), (40, 10415123), (79, 5273480), (158, 2636740), (316, 1318370), (395, 1054696), (632, 659185), (790, 527348), (1580, 263674), (3160, 131837)]