31956220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38971}}^1$

素因数の和:39021

約数の個数: 24

約数和(自身を含む): 68746608

約数和(自身を除く): 36790388

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38971, 77942, 155884, 194855, 389710, 779420, 1597811, 3195622, 6391244, 7989055, 15978110, 31956220]

約数ペア:

[(1, 31956220), (2, 15978110), (4, 7989055), (5, 6391244), (10, 3195622), (20, 1597811), (41, 779420), (82, 389710), (164, 194855), (205, 155884), (410, 77942), (820, 38971)]