40305160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143947}}^1$

素因数の和:143965

約数の個数: 32

約数和(自身を含む): 103642560

約数和(自身を除く): 63337400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143947, 287894, 575788, 719735, 1007629, 1151576, 1439470, 2015258, 2878940, 4030516, 5038145, 5757880, 8061032, 10076290, 20152580, 40305160]

約数ペア:

[(1, 40305160), (2, 20152580), (4, 10076290), (5, 8061032), (7, 5757880), (8, 5038145), (10, 4030516), (14, 2878940), (20, 2015258), (28, 1439470), (35, 1151576), (40, 1007629), (56, 719735), (70, 575788), (140, 287894), (280, 143947)]