12674920

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4545

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 16251800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4463, 8926, 17852, 22315, 35704, 44630, 89260, 178520, 316873, 633746, 1267492, 1584365, 2534984, 3168730, 6337460, 12674920]

約数ペア:

[(1, 12674920), (2, 6337460), (4, 3168730), (5, 2534984), (8, 1584365), (10, 1267492), (20, 633746), (40, 316873), (71, 178520), (142, 89260), (284, 44630), (355, 35704), (568, 22315), (710, 17852), (1420, 8926), (2840, 4463)]