81230060

素因数分解:

$2^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{7039}}^1$

素因数の和:7625

約数の個数: 24

約数和(自身を含む): 170903040

約数和(自身を除く): 89672980

約数列:

[1, 2, 4, 5, 10, 20, 577, 1154, 2308, 2885, 5770, 7039, 11540, 14078, 28156, 35195, 70390, 140780, 4061503, 8123006, 16246012, 20307515, 40615030, 81230060]

約数ペア:

[(1, 81230060), (2, 40615030), (4, 20307515), (5, 16246012), (10, 8123006), (20, 4061503), (577, 140780), (1154, 70390), (2308, 35195), (2885, 28156), (5770, 14078), (7039, 11540)]