51400180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 127643040

約数和(自身を除く): 76242860

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 401, 442, 493, 580, 754, 802, 884, 986, 1105, 1508, 1604, 1885, 1972, 2005, 2210, 2465, 3770, 4010, 4420, 4930, 5213, 6409, 6817, 7540, 8020, 9860, 10426, 11629, 12818, 13634, 20852, 23258, 25636, 26065, 27268, 32045, 34085, 46516, 52130, 58145, 64090, 68170, 88621, 104260, 116290, 128180, 136340, 151177, 177242, 197693, 232580, 302354, 354484, 395386, 443105, 604708, 755885, 790772, 886210, 988465, 1511770, 1772420, 1976930, 2570009, 3023540, 3953860, 5140018, 10280036, 12850045, 25700090, 51400180]

約数ペア:

[(1, 51400180), (2, 25700090), (4, 12850045), (5, 10280036), (10, 5140018), (13, 3953860), (17, 3023540), (20, 2570009), (26, 1976930), (29, 1772420), (34, 1511770), (52, 988465), (58, 886210), (65, 790772), (68, 755885), (85, 604708), (116, 443105), (130, 395386), (145, 354484), (170, 302354), (221, 232580), (260, 197693), (290, 177242), (340, 151177), (377, 136340), (401, 128180), (442, 116290), (493, 104260), (580, 88621), (754, 68170), (802, 64090), (884, 58145), (986, 52130), (1105, 46516), (1508, 34085), (1604, 32045), (1885, 27268), (1972, 26065), (2005, 25636), (2210, 23258), (2465, 20852), (3770, 13634), (4010, 12818), (4420, 11629), (4930, 10426), (5213, 9860), (6409, 8020), (6817, 7540)]