83628020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{1061}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 201253248

約数和(自身を除く): 117625228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563, 1061, 1126, 2122, 2252, 2815, 3941, 4244, 5305, 5630, 7427, 7882, 10610, 11260, 14854, 15764, 19705, 21220, 29708, 37135, 39410, 74270, 78820, 148540, 597343, 1194686, 2389372, 2986715, 4181401, 5973430, 8362802, 11946860, 16725604, 20907005, 41814010, 83628020]

約数ペア:

[(1, 83628020), (2, 41814010), (4, 20907005), (5, 16725604), (7, 11946860), (10, 8362802), (14, 5973430), (20, 4181401), (28, 2986715), (35, 2389372), (70, 1194686), (140, 597343), (563, 148540), (1061, 78820), (1126, 74270), (2122, 39410), (2252, 37135), (2815, 29708), (3941, 21220), (4244, 19705), (5305, 15764), (5630, 14854), (7427, 11260), (7882, 10610)]