2250440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 5114880

約数和(自身を除く): 2864440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 443, 508, 635, 886, 1016, 1270, 1772, 2215, 2540, 3544, 4430, 5080, 8860, 17720, 56261, 112522, 225044, 281305, 450088, 562610, 1125220, 2250440]

約数ペア:

[(1, 2250440), (2, 1125220), (4, 562610), (5, 450088), (8, 281305), (10, 225044), (20, 112522), (40, 56261), (127, 17720), (254, 8860), (443, 5080), (508, 4430), (635, 3544), (886, 2540), (1016, 2215), (1270, 1772)]