940040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 2151360

約数和(自身を除く): 1211320

約数列:

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

約数ペア:

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