315038480

素因数分解:

$2^4\times 5^1\times {\mathrm{3937981}}^1$

素因数の和:3937994

約数の個数: 20

約数和(自身を含む): 732464652

約数和(自身を除く): 417426172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3937981, 7875962, 15751924, 19689905, 31503848, 39379810, 63007696, 78759620, 157519240, 315038480]

約数ペア:

[(1, 315038480), (2, 157519240), (4, 78759620), (5, 63007696), (8, 39379810), (10, 31503848), (16, 19689905), (20, 15751924), (40, 7875962), (80, 3937981)]