40639750

素因数分解:

$2^1\times 5^3\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 76658400

約数和(自身を除く): 36018650

約数列:

[1, 2, 5, 10, 25, 50, 125, 149, 250, 298, 745, 1091, 1490, 2182, 3725, 5455, 7450, 10910, 18625, 27275, 37250, 54550, 136375, 162559, 272750, 325118, 812795, 1625590, 4063975, 8127950, 20319875, 40639750]

約数ペア:

[(1, 40639750), (2, 20319875), (5, 8127950), (10, 4063975), (25, 1625590), (50, 812795), (125, 325118), (149, 272750), (250, 162559), (298, 136375), (745, 54550), (1091, 37250), (1490, 27275), (2182, 18625), (3725, 10910), (5455, 7450)]