2040373040

素因数分解:

$2^4\times 5^1\times {\mathrm{4441}}^1\times {\mathrm{5743}}^1$

素因数の和:10197

約数の個数: 40

約数和(自身を含む): 4745761728

約数和(自身を除く): 2705388688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4441, 5743, 8882, 11486, 17764, 22205, 22972, 28715, 35528, 44410, 45944, 57430, 71056, 88820, 91888, 114860, 177640, 229720, 355280, 459440, 25504663, 51009326, 102018652, 127523315, 204037304, 255046630, 408074608, 510093260, 1020186520, 2040373040]

約数ペア:

[(1, 2040373040), (2, 1020186520), (4, 510093260), (5, 408074608), (8, 255046630), (10, 204037304), (16, 127523315), (20, 102018652), (40, 51009326), (80, 25504663), (4441, 459440), (5743, 355280), (8882, 229720), (11486, 177640), (17764, 114860), (22205, 91888), (22972, 88820), (28715, 71056), (35528, 57430), (44410, 45944)]