51068420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 120362760

約数和(自身を除く): 69294340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 290, 338, 377, 521, 580, 676, 754, 845, 1042, 1508, 1690, 1885, 2084, 2605, 3380, 3770, 4901, 5210, 6773, 7540, 9802, 10420, 13546, 15109, 19604, 24505, 27092, 30218, 33865, 49010, 60436, 67730, 75545, 88049, 98020, 135460, 151090, 176098, 196417, 302180, 352196, 392834, 440245, 785668, 880490, 982085, 1760980, 1964170, 2553421, 3928340, 5106842, 10213684, 12767105, 25534210, 51068420]

約数ペア:

[(1, 51068420), (2, 25534210), (4, 12767105), (5, 10213684), (10, 5106842), (13, 3928340), (20, 2553421), (26, 1964170), (29, 1760980), (52, 982085), (58, 880490), (65, 785668), (116, 440245), (130, 392834), (145, 352196), (169, 302180), (260, 196417), (290, 176098), (338, 151090), (377, 135460), (521, 98020), (580, 88049), (676, 75545), (754, 67730), (845, 60436), (1042, 49010), (1508, 33865), (1690, 30218), (1885, 27092), (2084, 24505), (2605, 19604), (3380, 15109), (3770, 13546), (4901, 10420), (5210, 9802), (6773, 7540)]