201528680

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39671}}^1$

素因数の和:39809

約数の個数: 32

約数和(自身を含む): 457021440

約数和(自身を除く): 255492760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 39671, 79342, 158684, 198355, 317368, 396710, 793420, 1586840, 5038217, 10076434, 20152868, 25191085, 40305736, 50382170, 100764340, 201528680]

約数ペア:

[(1, 201528680), (2, 100764340), (4, 50382170), (5, 40305736), (8, 25191085), (10, 20152868), (20, 10076434), (40, 5038217), (127, 1586840), (254, 793420), (508, 396710), (635, 317368), (1016, 198355), (1270, 158684), (2540, 79342), (5080, 39671)]