80738450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{124213}}^1$

素因数の和:124238

約数の個数: 24

約数和(自身を含む): 161726628

約数和(自身を除く): 80988178

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 124213, 248426, 621065, 1242130, 1614769, 3105325, 3229538, 6210650, 8073845, 16147690, 40369225, 80738450]

約数ペア:

[(1, 80738450), (2, 40369225), (5, 16147690), (10, 8073845), (13, 6210650), (25, 3229538), (26, 3105325), (50, 1614769), (65, 1242130), (130, 621065), (325, 248426), (650, 124213)]