259554320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{104659}}^1$

素因数の和:104703

約数の個数: 40

約数和(自身を含む): 622936320

約数和(自身を除く): 363382000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 104659, 209318, 418636, 523295, 837272, 1046590, 1674544, 2093180, 3244429, 4186360, 6488858, 8372720, 12977716, 16222145, 25955432, 32444290, 51910864, 64888580, 129777160, 259554320]

約数ペア:

[(1, 259554320), (2, 129777160), (4, 64888580), (5, 51910864), (8, 32444290), (10, 25955432), (16, 16222145), (20, 12977716), (31, 8372720), (40, 6488858), (62, 4186360), (80, 3244429), (124, 2093180), (155, 1674544), (248, 1046590), (310, 837272), (496, 523295), (620, 418636), (1240, 209318), (2480, 104659)]