48919960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 113270400

約数和(自身を除く): 64350440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 113, 137, 158, 226, 274, 316, 395, 452, 548, 565, 632, 685, 790, 904, 1096, 1130, 1370, 1580, 2260, 2740, 3160, 4520, 5480, 8927, 10823, 15481, 17854, 21646, 30962, 35708, 43292, 44635, 54115, 61924, 71416, 77405, 86584, 89270, 108230, 123848, 154810, 178540, 216460, 309620, 357080, 432920, 619240, 1222999, 2445998, 4891996, 6114995, 9783992, 12229990, 24459980, 48919960]

約数ペア:

[(1, 48919960), (2, 24459980), (4, 12229990), (5, 9783992), (8, 6114995), (10, 4891996), (20, 2445998), (40, 1222999), (79, 619240), (113, 432920), (137, 357080), (158, 309620), (226, 216460), (274, 178540), (316, 154810), (395, 123848), (452, 108230), (548, 89270), (565, 86584), (632, 77405), (685, 71416), (790, 61924), (904, 54115), (1096, 44635), (1130, 43292), (1370, 35708), (1580, 30962), (2260, 21646), (2740, 17854), (3160, 15481), (4520, 10823), (5480, 8927)]