27954160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26879}}^1$

素因数の和:26905

約数の個数: 40

約数和(自身を含む): 69995520

約数和(自身を除く): 42041360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 26879, 53758, 107516, 134395, 215032, 268790, 349427, 430064, 537580, 698854, 1075160, 1397708, 1747135, 2150320, 2795416, 3494270, 5590832, 6988540, 13977080, 27954160]

約数ペア:

[(1, 27954160), (2, 13977080), (4, 6988540), (5, 5590832), (8, 3494270), (10, 2795416), (13, 2150320), (16, 1747135), (20, 1397708), (26, 1075160), (40, 698854), (52, 537580), (65, 430064), (80, 349427), (104, 268790), (130, 215032), (208, 134395), (260, 107516), (520, 53758), (1040, 26879)]