16237660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 35481600

約数和(自身を除く): 19243940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 239, 316, 395, 430, 478, 790, 860, 956, 1195, 1580, 2390, 3397, 4780, 6794, 10277, 13588, 16985, 18881, 20554, 33970, 37762, 41108, 51385, 67940, 75524, 94405, 102770, 188810, 205540, 377620, 811883, 1623766, 3247532, 4059415, 8118830, 16237660]

約数ペア:

[(1, 16237660), (2, 8118830), (4, 4059415), (5, 3247532), (10, 1623766), (20, 811883), (43, 377620), (79, 205540), (86, 188810), (158, 102770), (172, 94405), (215, 75524), (239, 67940), (316, 51385), (395, 41108), (430, 37762), (478, 33970), (790, 20554), (860, 18881), (956, 16985), (1195, 13588), (1580, 10277), (2390, 6794), (3397, 4780)]