1295435240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{5651}}^1$

素因数の和:6194

約数の個数: 64

約数和(自身を含む): 3186371520

約数和(自身を除く): 1890936280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 521, 1042, 2084, 2605, 4168, 5210, 5651, 5731, 10420, 11302, 11462, 20840, 22604, 22924, 28255, 28655, 45208, 45848, 56510, 57310, 62161, 113020, 114620, 124322, 226040, 229240, 248644, 310805, 497288, 621610, 1243220, 2486440, 2944171, 5888342, 11776684, 14720855, 23553368, 29441710, 32385881, 58883420, 64771762, 117766840, 129543524, 161929405, 259087048, 323858810, 647717620, 1295435240]

約数ペア:

[(1, 1295435240), (2, 647717620), (4, 323858810), (5, 259087048), (8, 161929405), (10, 129543524), (11, 117766840), (20, 64771762), (22, 58883420), (40, 32385881), (44, 29441710), (55, 23553368), (88, 14720855), (110, 11776684), (220, 5888342), (440, 2944171), (521, 2486440), (1042, 1243220), (2084, 621610), (2605, 497288), (4168, 310805), (5210, 248644), (5651, 229240), (5731, 226040), (10420, 124322), (11302, 114620), (11462, 113020), (20840, 62161), (22604, 57310), (22924, 56510), (28255, 45848), (28655, 45208)]