25221075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 47913600

約数和(自身を除く): 22692525

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 1609, 3135, 4827, 5225, 8045, 15675, 17699, 24135, 30571, 40225, 53097, 88495, 91713, 120675, 152855, 265485, 336281, 442475, 458565, 764275, 1008843, 1327425, 1681405, 2292825, 5044215, 8407025, 25221075]

約数ペア:

[(1, 25221075), (3, 8407025), (5, 5044215), (11, 2292825), (15, 1681405), (19, 1327425), (25, 1008843), (33, 764275), (55, 458565), (57, 442475), (75, 336281), (95, 265485), (165, 152855), (209, 120675), (275, 91713), (285, 88495), (475, 53097), (627, 40225), (825, 30571), (1045, 24135), (1425, 17699), (1609, 15675), (3135, 8045), (4827, 5225)]