65025040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7457}}^1$

素因数の和:7579

約数の個数: 40

約数和(自身を含む): 152590680

約数和(自身を除く): 87565640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 7457, 8720, 14914, 29828, 37285, 59656, 74570, 119312, 149140, 298280, 596560, 812813, 1625626, 3251252, 4064065, 6502504, 8128130, 13005008, 16256260, 32512520, 65025040]

約数ペア:

[(1, 65025040), (2, 32512520), (4, 16256260), (5, 13005008), (8, 8128130), (10, 6502504), (16, 4064065), (20, 3251252), (40, 1625626), (80, 812813), (109, 596560), (218, 298280), (436, 149140), (545, 119312), (872, 74570), (1090, 59656), (1744, 37285), (2180, 29828), (4360, 14914), (7457, 8720)]