85385780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3359}}^1$

素因数の和:3440

約数の個数: 48

約数和(自身を含む): 189665280

約数和(自身を除く): 104279500

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 3359, 5084, 6355, 6718, 12710, 13436, 16795, 25420, 33590, 67180, 104129, 137719, 208258, 275438, 416516, 520645, 550876, 688595, 1041290, 1377190, 2082580, 2754380, 4269289, 8538578, 17077156, 21346445, 42692890, 85385780]

約数ペア:

[(1, 85385780), (2, 42692890), (4, 21346445), (5, 17077156), (10, 8538578), (20, 4269289), (31, 2754380), (41, 2082580), (62, 1377190), (82, 1041290), (124, 688595), (155, 550876), (164, 520645), (205, 416516), (310, 275438), (410, 208258), (620, 137719), (820, 104129), (1271, 67180), (2542, 33590), (3359, 25420), (5084, 16795), (6355, 13436), (6718, 12710)]