77766520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149551}}^1$

素因数の和:149575

約数の個数: 32

約数和(自身を含む): 188435520

約数和(自身を除く): 110669000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 149551, 299102, 598204, 747755, 1196408, 1495510, 1944163, 2991020, 3888326, 5982040, 7776652, 9720815, 15553304, 19441630, 38883260, 77766520]

約数ペア:

[(1, 77766520), (2, 38883260), (4, 19441630), (5, 15553304), (8, 9720815), (10, 7776652), (13, 5982040), (20, 3888326), (26, 2991020), (40, 1944163), (52, 1495510), (65, 1196408), (104, 747755), (130, 598204), (260, 299102), (520, 149551)]