40480580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1453}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 97708800

約数和(自身を除く): 57228220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1453, 1990, 2786, 2906, 3980, 5572, 5812, 6965, 7265, 10171, 13930, 14530, 20342, 27860, 29060, 40684, 50855, 101710, 203420, 289147, 578294, 1156588, 1445735, 2024029, 2891470, 4048058, 5782940, 8096116, 10120145, 20240290, 40480580]

約数ペア:

[(1, 40480580), (2, 20240290), (4, 10120145), (5, 8096116), (7, 5782940), (10, 4048058), (14, 2891470), (20, 2024029), (28, 1445735), (35, 1156588), (70, 578294), (140, 289147), (199, 203420), (398, 101710), (796, 50855), (995, 40684), (1393, 29060), (1453, 27860), (1990, 20342), (2786, 14530), (2906, 13930), (3980, 10171), (5572, 7265), (5812, 6965)]