8155940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 19676160

約数和(自身を除く): 11520220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 169, 190, 247, 254, 260, 338, 380, 494, 508, 635, 676, 845, 988, 1235, 1270, 1651, 1690, 2413, 2470, 2540, 3211, 3302, 3380, 4826, 4940, 6422, 6604, 8255, 9652, 12065, 12844, 16055, 16510, 21463, 24130, 31369, 32110, 33020, 42926, 48260, 62738, 64220, 85852, 107315, 125476, 156845, 214630, 313690, 407797, 429260, 627380, 815594, 1631188, 2038985, 4077970, 8155940]

約数ペア:

[(1, 8155940), (2, 4077970), (4, 2038985), (5, 1631188), (10, 815594), (13, 627380), (19, 429260), (20, 407797), (26, 313690), (38, 214630), (52, 156845), (65, 125476), (76, 107315), (95, 85852), (127, 64220), (130, 62738), (169, 48260), (190, 42926), (247, 33020), (254, 32110), (260, 31369), (338, 24130), (380, 21463), (494, 16510), (508, 16055), (635, 12844), (676, 12065), (845, 9652), (988, 8255), (1235, 6604), (1270, 6422), (1651, 4940), (1690, 4826), (2413, 3380), (2470, 3302), (2540, 3211)]