27880120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13151}}^1$

素因数の和:13215

約数の個数: 32

約数和(自身を含む): 63918720

約数和(自身を除く): 36038600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13151, 26302, 52604, 65755, 105208, 131510, 263020, 526040, 697003, 1394006, 2788012, 3485015, 5576024, 6970030, 13940060, 27880120]

約数ペア:

[(1, 27880120), (2, 13940060), (4, 6970030), (5, 5576024), (8, 3485015), (10, 2788012), (20, 1394006), (40, 697003), (53, 526040), (106, 263020), (212, 131510), (265, 105208), (424, 65755), (530, 52604), (1060, 26302), (2120, 13151)]