1042220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 2315712

約数和(自身を除く): 1273492

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 1681, 2542, 3362, 5084, 6355, 6724, 8405, 12710, 16810, 25420, 33620, 52111, 104222, 208444, 260555, 521110, 1042220]

約数ペア:

[(1, 1042220), (2, 521110), (4, 260555), (5, 208444), (10, 104222), (20, 52111), (31, 33620), (41, 25420), (62, 16810), (82, 12710), (124, 8405), (155, 6724), (164, 6355), (205, 5084), (310, 3362), (410, 2542), (620, 1681), (820, 1271)]