4237992020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{21563}}^1$

素因数の和:21920

約数の個数: 48

約数和(自身を含む): 9216281088

約数和(自身を除く): 4978289068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 317, 620, 634, 1268, 1585, 3170, 6340, 9827, 19654, 21563, 39308, 43126, 49135, 86252, 98270, 107815, 196540, 215630, 431260, 668453, 1336906, 2673812, 3342265, 6684530, 6835471, 13369060, 13670942, 27341884, 34177355, 68354710, 136709420, 211899601, 423799202, 847598404, 1059498005, 2118996010, 4237992020]

約数ペア:

[(1, 4237992020), (2, 2118996010), (4, 1059498005), (5, 847598404), (10, 423799202), (20, 211899601), (31, 136709420), (62, 68354710), (124, 34177355), (155, 27341884), (310, 13670942), (317, 13369060), (620, 6835471), (634, 6684530), (1268, 3342265), (1585, 2673812), (3170, 1336906), (6340, 668453), (9827, 431260), (19654, 215630), (21563, 196540), (39308, 107815), (43126, 98270), (49135, 86252)]