25128985220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1\times {\mathrm{9949}}^1$

素因数の和:12692

約数の個数: 48

約数和(自身を含む): 53919129600

約数和(自身を除く): 28790144380

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 2687, 5374, 9949, 10748, 13435, 19898, 26870, 39796, 49745, 53740, 99490, 126289, 198980, 252578, 467603, 505156, 631445, 935206, 1262890, 1870412, 2338015, 2525780, 4676030, 9352060, 26732963, 53465926, 106931852, 133664815, 267329630, 534659260, 1256449261, 2512898522, 5025797044, 6282246305, 12564492610, 25128985220]

約数ペア:

[(1, 25128985220), (2, 12564492610), (4, 6282246305), (5, 5025797044), (10, 2512898522), (20, 1256449261), (47, 534659260), (94, 267329630), (188, 133664815), (235, 106931852), (470, 53465926), (940, 26732963), (2687, 9352060), (5374, 4676030), (9949, 2525780), (10748, 2338015), (13435, 1870412), (19898, 1262890), (26870, 935206), (39796, 631445), (49745, 505156), (53740, 467603), (99490, 252578), (126289, 198980)]