40294520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143909}}^1$

素因数の和:143927

約数の個数: 32

約数和(自身を含む): 103615200

約数和(自身を除く): 63320680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143909, 287818, 575636, 719545, 1007363, 1151272, 1439090, 2014726, 2878180, 4029452, 5036815, 5756360, 8058904, 10073630, 20147260, 40294520]

約数ペア:

[(1, 40294520), (2, 20147260), (4, 10073630), (5, 8058904), (7, 5756360), (8, 5036815), (10, 4029452), (14, 2878180), (20, 2014726), (28, 1439090), (35, 1151272), (40, 1007363), (56, 719545), (70, 575636), (140, 287818), (280, 143909)]