85997860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{937}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 195246576

約数和(自身を除く): 109248716

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 706, 937, 1412, 1765, 1874, 3530, 3748, 4589, 4685, 7060, 9178, 9370, 12181, 18356, 18740, 22945, 24362, 45890, 48724, 60905, 91780, 121810, 243620, 330761, 661522, 1323044, 1653805, 3307610, 4299893, 6615220, 8599786, 17199572, 21499465, 42998930, 85997860]

約数ペア:

[(1, 85997860), (2, 42998930), (4, 21499465), (5, 17199572), (10, 8599786), (13, 6615220), (20, 4299893), (26, 3307610), (52, 1653805), (65, 1323044), (130, 661522), (260, 330761), (353, 243620), (706, 121810), (937, 91780), (1412, 60905), (1765, 48724), (1874, 45890), (3530, 24362), (3748, 22945), (4589, 18740), (4685, 18356), (7060, 12181), (9178, 9370)]