19520232050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{13751}}^1$

素因数の和:13892

約数の個数: 96

約数和(自身を含む): 41437526400

約数和(自身を除く): 21917294350

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 89, 110, 145, 178, 275, 290, 319, 445, 550, 638, 725, 890, 979, 1450, 1595, 1958, 2225, 2581, 3190, 4450, 4895, 5162, 7975, 9790, 12905, 13751, 15950, 24475, 25810, 27502, 28391, 48950, 56782, 64525, 68755, 129050, 137510, 141955, 151261, 283910, 302522, 343775, 398779, 687550, 709775, 756305, 797558, 1223839, 1419550, 1512610, 1993895, 2447678, 3781525, 3987790, 4386569, 6119195, 7563050, 8773138, 9969475, 12238390, 13462229, 19938950, 21932845, 26924458, 30595975, 35491331, 43865690, 61191950, 67311145, 70982662, 109664225, 134622290, 177456655, 219328450, 336555725, 354913310, 390404641, 673111450, 780809282, 887283275, 1774566550, 1952023205, 3904046410, 9760116025, 19520232050]

約数ペア:

[(1, 19520232050), (2, 9760116025), (5, 3904046410), (10, 1952023205), (11, 1774566550), (22, 887283275), (25, 780809282), (29, 673111450), (50, 390404641), (55, 354913310), (58, 336555725), (89, 219328450), (110, 177456655), (145, 134622290), (178, 109664225), (275, 70982662), (290, 67311145), (319, 61191950), (445, 43865690), (550, 35491331), (638, 30595975), (725, 26924458), (890, 21932845), (979, 19938950), (1450, 13462229), (1595, 12238390), (1958, 9969475), (2225, 8773138), (2581, 7563050), (3190, 6119195), (4450, 4386569), (4895, 3987790), (5162, 3781525), (7975, 2447678), (9790, 1993895), (12905, 1512610), (13751, 1419550), (15950, 1223839), (24475, 797558), (25810, 756305), (27502, 709775), (28391, 687550), (48950, 398779), (56782, 343775), (64525, 302522), (68755, 283910), (129050, 151261), (137510, 141955)]