39851980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284657}}^1$

素因数の和:284673

約数の個数: 24

約数和(自身を含む): 95645088

約数和(自身を除く): 55793108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284657, 569314, 1138628, 1423285, 1992599, 2846570, 3985198, 5693140, 7970396, 9962995, 19925990, 39851980]

約数ペア:

[(1, 39851980), (2, 19925990), (4, 9962995), (5, 7970396), (7, 5693140), (10, 3985198), (14, 2846570), (20, 1992599), (28, 1423285), (35, 1138628), (70, 569314), (140, 284657)]