54087980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 117495840

約数和(自身を除く): 63407860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 577, 860, 1090, 1154, 2180, 2308, 2885, 4687, 5770, 9374, 11540, 18748, 23435, 24811, 46870, 49622, 62893, 93740, 99244, 124055, 125786, 248110, 251572, 314465, 496220, 628930, 1257860, 2704399, 5408798, 10817596, 13521995, 27043990, 54087980]

約数ペア:

[(1, 54087980), (2, 27043990), (4, 13521995), (5, 10817596), (10, 5408798), (20, 2704399), (43, 1257860), (86, 628930), (109, 496220), (172, 314465), (215, 251572), (218, 248110), (430, 125786), (436, 124055), (545, 99244), (577, 93740), (860, 62893), (1090, 49622), (1154, 46870), (2180, 24811), (2308, 23435), (2885, 18748), (4687, 11540), (5770, 9374)]