90223120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{86753}}^1$

素因数の和:86779

約数の個数: 40

約数和(自身を含む): 225907416

約数和(自身を除く): 135684296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 86753, 173506, 347012, 433765, 694024, 867530, 1127789, 1388048, 1735060, 2255578, 3470120, 4511156, 5638945, 6940240, 9022312, 11277890, 18044624, 22555780, 45111560, 90223120]

約数ペア:

[(1, 90223120), (2, 45111560), (4, 22555780), (5, 18044624), (8, 11277890), (10, 9022312), (13, 6940240), (16, 5638945), (20, 4511156), (26, 3470120), (40, 2255578), (52, 1735060), (65, 1388048), (80, 1127789), (104, 867530), (130, 694024), (208, 433765), (260, 347012), (520, 173506), (1040, 86753)]