40263440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71899}}^1$

素因数の和:71919

約数の個数: 40

約数和(自身を含む): 106987200

約数和(自身を除く): 66723760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71899, 143798, 287596, 359495, 503293, 575192, 718990, 1006586, 1150384, 1437980, 2013172, 2516465, 2875960, 4026344, 5032930, 5751920, 8052688, 10065860, 20131720, 40263440]

約数ペア:

[(1, 40263440), (2, 20131720), (4, 10065860), (5, 8052688), (7, 5751920), (8, 5032930), (10, 4026344), (14, 2875960), (16, 2516465), (20, 2013172), (28, 1437980), (35, 1150384), (40, 1006586), (56, 718990), (70, 575192), (80, 503293), (112, 359495), (140, 287596), (280, 143798), (560, 71899)]