54170020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 120347136

約数和(自身を除く): 66177116

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2131, 2542, 4262, 5084, 6355, 8524, 10655, 12710, 21310, 25420, 42620, 66061, 87371, 132122, 174742, 264244, 330305, 349484, 436855, 660610, 873710, 1321220, 1747420, 2708501, 5417002, 10834004, 13542505, 27085010, 54170020]

約数ペア:

[(1, 54170020), (2, 27085010), (4, 13542505), (5, 10834004), (10, 5417002), (20, 2708501), (31, 1747420), (41, 1321220), (62, 873710), (82, 660610), (124, 436855), (155, 349484), (164, 330305), (205, 264244), (310, 174742), (410, 132122), (620, 87371), (820, 66061), (1271, 42620), (2131, 25420), (2542, 21310), (4262, 12710), (5084, 10655), (6355, 8524)]