1880080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 4446144

約数和(自身を除く): 2566064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 331, 355, 568, 662, 710, 1136, 1324, 1420, 1655, 2648, 2840, 3310, 5296, 5680, 6620, 13240, 23501, 26480, 47002, 94004, 117505, 188008, 235010, 376016, 470020, 940040, 1880080]

約数ペア:

[(1, 1880080), (2, 940040), (4, 470020), (5, 376016), (8, 235010), (10, 188008), (16, 117505), (20, 94004), (40, 47002), (71, 26480), (80, 23501), (142, 13240), (284, 6620), (331, 5680), (355, 5296), (568, 3310), (662, 2840), (710, 2648), (1136, 1655), (1324, 1420)]