40267640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{143813}}^1$

素因数の和:143831

約数の個数: 32

約数和(自身を含む): 103546080

約数和(自身を除く): 63278440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 143813, 287626, 575252, 719065, 1006691, 1150504, 1438130, 2013382, 2876260, 4026764, 5033455, 5752520, 8053528, 10066910, 20133820, 40267640]

約数ペア:

[(1, 40267640), (2, 20133820), (4, 10066910), (5, 8053528), (7, 5752520), (8, 5033455), (10, 4026764), (14, 2876260), (20, 2013382), (28, 1438130), (35, 1150504), (40, 1006691), (56, 719065), (70, 575252), (140, 287626), (280, 143813)]