15697731640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1\times {\mathrm{12497}}^1$

素因数の和:13552

約数の個数: 64

約数和(自身を含む): 36498159360

約数和(自身を除く): 20800427720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1013, 1240, 2026, 4052, 5065, 8104, 10130, 12497, 20260, 24994, 31403, 40520, 49988, 62485, 62806, 99976, 124970, 125612, 157015, 249940, 251224, 314030, 387407, 499880, 628060, 774814, 1256120, 1549628, 1937035, 3099256, 3874070, 7748140, 12659461, 15496280, 25318922, 50637844, 63297305, 101275688, 126594610, 253189220, 392443291, 506378440, 784886582, 1569773164, 1962216455, 3139546328, 3924432910, 7848865820, 15697731640]

約数ペア:

[(1, 15697731640), (2, 7848865820), (4, 3924432910), (5, 3139546328), (8, 1962216455), (10, 1569773164), (20, 784886582), (31, 506378440), (40, 392443291), (62, 253189220), (124, 126594610), (155, 101275688), (248, 63297305), (310, 50637844), (620, 25318922), (1013, 15496280), (1240, 12659461), (2026, 7748140), (4052, 3874070), (5065, 3099256), (8104, 1937035), (10130, 1549628), (12497, 1256120), (20260, 774814), (24994, 628060), (31403, 499880), (40520, 387407), (49988, 314030), (62485, 251224), (62806, 249940), (99976, 157015), (124970, 125612)]