1639103420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{4007}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 3492635328

約数和(自身を除く): 1853531908

約数列:

[1, 2, 4, 5, 10, 20, 113, 181, 226, 362, 452, 565, 724, 905, 1130, 1810, 2260, 3620, 4007, 8014, 16028, 20035, 20453, 40070, 40906, 80140, 81812, 102265, 204530, 409060, 452791, 725267, 905582, 1450534, 1811164, 2263955, 2901068, 3626335, 4527910, 7252670, 9055820, 14505340, 81955171, 163910342, 327820684, 409775855, 819551710, 1639103420]

約数ペア:

[(1, 1639103420), (2, 819551710), (4, 409775855), (5, 327820684), (10, 163910342), (20, 81955171), (113, 14505340), (181, 9055820), (226, 7252670), (362, 4527910), (452, 3626335), (565, 2901068), (724, 2263955), (905, 1811164), (1130, 1450534), (1810, 905582), (2260, 725267), (3620, 452791), (4007, 409060), (8014, 204530), (16028, 102265), (20035, 81812), (20453, 80140), (40070, 40906)]