25729160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 61942320

約数和(自身を除く): 36213160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 157, 170, 241, 314, 340, 482, 628, 680, 785, 964, 1205, 1256, 1570, 1928, 2410, 2669, 3140, 4097, 4820, 5338, 6280, 8194, 9640, 10676, 13345, 16388, 20485, 21352, 26690, 32776, 37837, 40970, 53380, 75674, 81940, 106760, 151348, 163880, 189185, 302696, 378370, 643229, 756740, 1286458, 1513480, 2572916, 3216145, 5145832, 6432290, 12864580, 25729160]

約数ペア:

[(1, 25729160), (2, 12864580), (4, 6432290), (5, 5145832), (8, 3216145), (10, 2572916), (17, 1513480), (20, 1286458), (34, 756740), (40, 643229), (68, 378370), (85, 302696), (136, 189185), (157, 163880), (170, 151348), (241, 106760), (314, 81940), (340, 75674), (482, 53380), (628, 40970), (680, 37837), (785, 32776), (964, 26690), (1205, 21352), (1256, 20485), (1570, 16388), (1928, 13345), (2410, 10676), (2669, 9640), (3140, 8194), (4097, 6280), (4820, 5338)]