25700090

素因数分解:

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

素因数の和:467

約数の個数: 64

約数和(自身を含む): 54704160

約数和(自身を除く): 29004070

約数列:

[1, 2, 5, 10, 13, 17, 26, 29, 34, 58, 65, 85, 130, 145, 170, 221, 290, 377, 401, 442, 493, 754, 802, 986, 1105, 1885, 2005, 2210, 2465, 3770, 4010, 4930, 5213, 6409, 6817, 10426, 11629, 12818, 13634, 23258, 26065, 32045, 34085, 52130, 58145, 64090, 68170, 88621, 116290, 151177, 177242, 197693, 302354, 395386, 443105, 755885, 886210, 988465, 1511770, 1976930, 2570009, 5140018, 12850045, 25700090]

約数ペア:

[(1, 25700090), (2, 12850045), (5, 5140018), (10, 2570009), (13, 1976930), (17, 1511770), (26, 988465), (29, 886210), (34, 755885), (58, 443105), (65, 395386), (85, 302354), (130, 197693), (145, 177242), (170, 151177), (221, 116290), (290, 88621), (377, 68170), (401, 64090), (442, 58145), (493, 52130), (754, 34085), (802, 32045), (986, 26065), (1105, 23258), (1885, 13634), (2005, 12818), (2210, 11629), (2465, 10426), (3770, 6817), (4010, 6409), (4930, 5213)]