940135820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{17137}}^1$

素因数の和:17370

約数の個数: 48

約数和(自身を含む): 2136354528

約数和(自身を除く): 1196218708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 2110, 2743, 4220, 5486, 10972, 13715, 17137, 27430, 34274, 54860, 68548, 85685, 171370, 222781, 342740, 445562, 891124, 1113905, 2227810, 3615907, 4455620, 7231814, 14463628, 18079535, 36159070, 47006791, 72318140, 94013582, 188027164, 235033955, 470067910, 940135820]

約数ペア:

[(1, 940135820), (2, 470067910), (4, 235033955), (5, 188027164), (10, 94013582), (13, 72318140), (20, 47006791), (26, 36159070), (52, 18079535), (65, 14463628), (130, 7231814), (211, 4455620), (260, 3615907), (422, 2227810), (844, 1113905), (1055, 891124), (2110, 445562), (2743, 342740), (4220, 222781), (5486, 171370), (10972, 85685), (13715, 68548), (17137, 54860), (27430, 34274)]