53988640

素因数分解:

$2^5\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1283}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 128132928

約数和(自身を除く): 74144288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 526, 1052, 1283, 1315, 2104, 2566, 2630, 4208, 5132, 5260, 6415, 8416, 10264, 10520, 12830, 20528, 21040, 25660, 41056, 42080, 51320, 102640, 205280, 337429, 674858, 1349716, 1687145, 2699432, 3374290, 5398864, 6748580, 10797728, 13497160, 26994320, 53988640]

約数ペア:

[(1, 53988640), (2, 26994320), (4, 13497160), (5, 10797728), (8, 6748580), (10, 5398864), (16, 3374290), (20, 2699432), (32, 1687145), (40, 1349716), (80, 674858), (160, 337429), (263, 205280), (526, 102640), (1052, 51320), (1283, 42080), (1315, 41056), (2104, 25660), (2566, 21040), (2630, 20528), (4208, 12830), (5132, 10520), (5260, 10264), (6415, 8416)]