2084440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 4962240

約数和(自身を除く): 2877800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 1681, 2542, 3362, 5084, 6355, 6724, 8405, 10168, 12710, 13448, 16810, 25420, 33620, 50840, 52111, 67240, 104222, 208444, 260555, 416888, 521110, 1042220, 2084440]

約数ペア:

[(1, 2084440), (2, 1042220), (4, 521110), (5, 416888), (8, 260555), (10, 208444), (20, 104222), (31, 67240), (40, 52111), (41, 50840), (62, 33620), (82, 25420), (124, 16810), (155, 13448), (164, 12710), (205, 10168), (248, 8405), (310, 6724), (328, 6355), (410, 5084), (620, 3362), (820, 2542), (1240, 1681), (1271, 1640)]