409969240

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{19597}}^1$

素因数の和:20131

約数の個数: 32

約数和(自身を含む): 924241680

約数和(自身を除く): 514272440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4184, 5230, 10460, 19597, 20920, 39194, 78388, 97985, 156776, 195970, 391940, 783880, 10249231, 20498462, 40996924, 51246155, 81993848, 102492310, 204984620, 409969240]

約数ペア:

[(1, 409969240), (2, 204984620), (4, 102492310), (5, 81993848), (8, 51246155), (10, 40996924), (20, 20498462), (40, 10249231), (523, 783880), (1046, 391940), (2092, 195970), (2615, 156776), (4184, 97985), (5230, 78388), (10460, 39194), (19597, 20920)]