64852840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{124717}}^1$

素因数の和:124741

約数の個数: 32

約数和(自身を含む): 157144680

約数和(自身を除く): 92291840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 124717, 249434, 498868, 623585, 997736, 1247170, 1621321, 2494340, 3242642, 4988680, 6485284, 8106605, 12970568, 16213210, 32426420, 64852840]

約数ペア:

[(1, 64852840), (2, 32426420), (4, 16213210), (5, 12970568), (8, 8106605), (10, 6485284), (13, 4988680), (20, 3242642), (26, 2494340), (40, 1621321), (52, 1247170), (65, 997736), (104, 623585), (130, 498868), (260, 249434), (520, 124717)]