4404220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 9552312

約数和(自身を除く): 5148092

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 820, 1310, 1681, 2620, 3362, 5371, 6724, 8405, 10742, 16810, 21484, 26855, 33620, 53710, 107420, 220211, 440422, 880844, 1101055, 2202110, 4404220]

約数ペア:

[(1, 4404220), (2, 2202110), (4, 1101055), (5, 880844), (10, 440422), (20, 220211), (41, 107420), (82, 53710), (131, 33620), (164, 26855), (205, 21484), (262, 16810), (410, 10742), (524, 8405), (655, 6724), (820, 5371), (1310, 3362), (1681, 2620)]