22691920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9781}}^1$

素因数の和:9823

約数の個数: 40

約数和(自身を含む): 54583560

約数和(自身を除く): 31891640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9781, 19562, 39124, 48905, 78248, 97810, 156496, 195620, 283649, 391240, 567298, 782480, 1134596, 1418245, 2269192, 2836490, 4538384, 5672980, 11345960, 22691920]

約数ペア:

[(1, 22691920), (2, 11345960), (4, 5672980), (5, 4538384), (8, 2836490), (10, 2269192), (16, 1418245), (20, 1134596), (29, 782480), (40, 567298), (58, 391240), (80, 283649), (116, 195620), (145, 156496), (232, 97810), (290, 78248), (464, 48905), (580, 39124), (1160, 19562), (2320, 9781)]