25038020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 63345240

約数和(自身を除く): 38307220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 881, 980, 1015, 1421, 1762, 2030, 2842, 3524, 4060, 4405, 5684, 6167, 7105, 8810, 12334, 14210, 17620, 24668, 25549, 28420, 30835, 43169, 51098, 61670, 86338, 102196, 123340, 127745, 172676, 178843, 215845, 255490, 357686, 431690, 510980, 715372, 863380, 894215, 1251901, 1788430, 2503802, 3576860, 5007604, 6259505, 12519010, 25038020]

約数ペア:

[(1, 25038020), (2, 12519010), (4, 6259505), (5, 5007604), (7, 3576860), (10, 2503802), (14, 1788430), (20, 1251901), (28, 894215), (29, 863380), (35, 715372), (49, 510980), (58, 431690), (70, 357686), (98, 255490), (116, 215845), (140, 178843), (145, 172676), (196, 127745), (203, 123340), (245, 102196), (290, 86338), (406, 61670), (490, 51098), (580, 43169), (812, 30835), (881, 28420), (980, 25549), (1015, 24668), (1421, 17620), (1762, 14210), (2030, 12334), (2842, 8810), (3524, 7105), (4060, 6167), (4405, 5684)]