56557540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:641

約数の個数: 72

約数和(自身を含む): 133275240

約数和(自身を除く): 76717700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 577, 580, 676, 754, 845, 1154, 1508, 1690, 1885, 2308, 2885, 3380, 3770, 4901, 5770, 7501, 7540, 9802, 11540, 15002, 16733, 19604, 24505, 30004, 33466, 37505, 49010, 66932, 75010, 83665, 97513, 98020, 150020, 167330, 195026, 217529, 334660, 390052, 435058, 487565, 870116, 975130, 1087645, 1950260, 2175290, 2827877, 4350580, 5655754, 11311508, 14139385, 28278770, 56557540]

約数ペア:

[(1, 56557540), (2, 28278770), (4, 14139385), (5, 11311508), (10, 5655754), (13, 4350580), (20, 2827877), (26, 2175290), (29, 1950260), (52, 1087645), (58, 975130), (65, 870116), (116, 487565), (130, 435058), (145, 390052), (169, 334660), (260, 217529), (290, 195026), (338, 167330), (377, 150020), (577, 98020), (580, 97513), (676, 83665), (754, 75010), (845, 66932), (1154, 49010), (1508, 37505), (1690, 33466), (1885, 30004), (2308, 24505), (2885, 19604), (3380, 16733), (3770, 15002), (4901, 11540), (5770, 9802), (7501, 7540)]