20142205840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{154181}}^1$

素因数の和:154288

約数の個数: 80

約数和(自身を含む): 49555328256

約数和(自身を除く): 29413122416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 71, 80, 92, 115, 142, 184, 230, 284, 355, 368, 460, 568, 710, 920, 1136, 1420, 1633, 1840, 2840, 3266, 5680, 6532, 8165, 13064, 16330, 26128, 32660, 65320, 130640, 154181, 308362, 616724, 770905, 1233448, 1541810, 2466896, 3083620, 3546163, 6167240, 7092326, 10946851, 12334480, 14184652, 17730815, 21893702, 28369304, 35461630, 43787404, 54734255, 56738608, 70923260, 87574808, 109468510, 141846520, 175149616, 218937020, 251777573, 283693040, 437874040, 503555146, 875748080, 1007110292, 1258887865, 2014220584, 2517775730, 4028441168, 5035551460, 10071102920, 20142205840]

約数ペア:

[(1, 20142205840), (2, 10071102920), (4, 5035551460), (5, 4028441168), (8, 2517775730), (10, 2014220584), (16, 1258887865), (20, 1007110292), (23, 875748080), (40, 503555146), (46, 437874040), (71, 283693040), (80, 251777573), (92, 218937020), (115, 175149616), (142, 141846520), (184, 109468510), (230, 87574808), (284, 70923260), (355, 56738608), (368, 54734255), (460, 43787404), (568, 35461630), (710, 28369304), (920, 21893702), (1136, 17730815), (1420, 14184652), (1633, 12334480), (1840, 10946851), (2840, 7092326), (3266, 6167240), (5680, 3546163), (6532, 3083620), (8165, 2466896), (13064, 1541810), (16330, 1233448), (26128, 770905), (32660, 616724), (65320, 308362), (130640, 154181)]