56155420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:259

約数の個数: 96

約数和(自身を含む): 134120448

約数和(自身を除く): 77965028

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 43, 46, 68, 85, 86, 92, 115, 167, 170, 172, 215, 230, 334, 340, 391, 430, 460, 668, 731, 782, 835, 860, 989, 1462, 1564, 1670, 1955, 1978, 2839, 2924, 3340, 3655, 3841, 3910, 3956, 4945, 5678, 7181, 7310, 7682, 7820, 9890, 11356, 14195, 14362, 14620, 15364, 16813, 19205, 19780, 28390, 28724, 33626, 35905, 38410, 56780, 65297, 67252, 71810, 76820, 84065, 122077, 130594, 143620, 165163, 168130, 244154, 261188, 326485, 330326, 336260, 488308, 610385, 652970, 660652, 825815, 1220770, 1305940, 1651630, 2441540, 2807771, 3303260, 5615542, 11231084, 14038855, 28077710, 56155420]

約数ペア:

[(1, 56155420), (2, 28077710), (4, 14038855), (5, 11231084), (10, 5615542), (17, 3303260), (20, 2807771), (23, 2441540), (34, 1651630), (43, 1305940), (46, 1220770), (68, 825815), (85, 660652), (86, 652970), (92, 610385), (115, 488308), (167, 336260), (170, 330326), (172, 326485), (215, 261188), (230, 244154), (334, 168130), (340, 165163), (391, 143620), (430, 130594), (460, 122077), (668, 84065), (731, 76820), (782, 71810), (835, 67252), (860, 65297), (989, 56780), (1462, 38410), (1564, 35905), (1670, 33626), (1955, 28724), (1978, 28390), (2839, 19780), (2924, 19205), (3340, 16813), (3655, 15364), (3841, 14620), (3910, 14362), (3956, 14195), (4945, 11356), (5678, 9890), (7181, 7820), (7310, 7682)]