85078760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163613}}^1$

素因数の和:163637

約数の個数: 32

約数和(自身を含む): 206153640

約数和(自身を除く): 121074880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 163613, 327226, 654452, 818065, 1308904, 1636130, 2126969, 3272260, 4253938, 6544520, 8507876, 10634845, 17015752, 21269690, 42539380, 85078760]

約数ペア:

[(1, 85078760), (2, 42539380), (4, 21269690), (5, 17015752), (8, 10634845), (10, 8507876), (13, 6544520), (20, 4253938), (26, 3272260), (40, 2126969), (52, 1636130), (65, 1308904), (104, 818065), (130, 654452), (260, 327226), (520, 163613)]