396970480

素因数分解:

$2^4\times 5^1\times {\mathrm{4962131}}^1$

素因数の和:4962144

約数の個数: 20

約数和(自身を含む): 922956552

約数和(自身を除く): 525986072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4962131, 9924262, 19848524, 24810655, 39697048, 49621310, 79394096, 99242620, 198485240, 396970480]

約数ペア:

[(1, 396970480), (2, 198485240), (4, 99242620), (5, 79394096), (8, 49621310), (10, 39697048), (16, 24810655), (20, 19848524), (40, 9924262), (80, 4962131)]