91890760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{176713}}^1$

素因数の和:176737

約数の個数: 32

約数和(自身を含む): 222659640

約数和(自身を除く): 130768880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 176713, 353426, 706852, 883565, 1413704, 1767130, 2297269, 3534260, 4594538, 7068520, 9189076, 11486345, 18378152, 22972690, 45945380, 91890760]

約数ペア:

[(1, 91890760), (2, 45945380), (4, 22972690), (5, 18378152), (8, 11486345), (10, 9189076), (13, 7068520), (20, 4594538), (26, 3534260), (40, 2297269), (52, 1767130), (65, 1413704), (104, 883565), (130, 706852), (260, 353426), (520, 176713)]