81202360

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{38303}}^1$

素因数の和:38367

約数の個数: 32

約数和(自身を含む): 186157440

約数和(自身を除く): 104955080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 38303, 76606, 153212, 191515, 306424, 383030, 766060, 1532120, 2030059, 4060118, 8120236, 10150295, 16240472, 20300590, 40601180, 81202360]

約数ペア:

[(1, 81202360), (2, 40601180), (4, 20300590), (5, 16240472), (8, 10150295), (10, 8120236), (20, 4060118), (40, 2030059), (53, 1532120), (106, 766060), (212, 383030), (265, 306424), (424, 191515), (530, 153212), (1060, 76606), (2120, 38303)]