51129780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65551}}^1$

素因数の和:65576

約数の個数: 48

約数和(自身を含む): 154178304

約数和(自身を除く): 103048524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65551, 131102, 196653, 262204, 327755, 393306, 655510, 786612, 852163, 983265, 1311020, 1704326, 1966530, 2556489, 3408652, 3933060, 4260815, 5112978, 8521630, 10225956, 12782445, 17043260, 25564890, 51129780]

約数ペア:

[(1, 51129780), (2, 25564890), (3, 17043260), (4, 12782445), (5, 10225956), (6, 8521630), (10, 5112978), (12, 4260815), (13, 3933060), (15, 3408652), (20, 2556489), (26, 1966530), (30, 1704326), (39, 1311020), (52, 983265), (60, 852163), (65, 786612), (78, 655510), (130, 393306), (156, 327755), (195, 262204), (260, 196653), (390, 131102), (780, 65551)]