31971920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13781}}^1$

素因数の和:13823

約数の個数: 40

約数和(自身を含む): 76903560

約数和(自身を除く): 44931640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 13781, 27562, 55124, 68905, 110248, 137810, 220496, 275620, 399649, 551240, 799298, 1102480, 1598596, 1998245, 3197192, 3996490, 6394384, 7992980, 15985960, 31971920]

約数ペア:

[(1, 31971920), (2, 15985960), (4, 7992980), (5, 6394384), (8, 3996490), (10, 3197192), (16, 1998245), (20, 1598596), (29, 1102480), (40, 799298), (58, 551240), (80, 399649), (116, 275620), (145, 220496), (232, 137810), (290, 110248), (464, 68905), (580, 55124), (1160, 27562), (2320, 13781)]