56806540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2254

約数の個数: 48

約数和(自身を含む): 137088000

約数和(自身を除く): 80281460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2039, 2786, 3980, 4078, 5572, 6965, 8156, 10195, 13930, 14273, 20390, 27860, 28546, 40780, 57092, 71365, 142730, 285460, 405761, 811522, 1623044, 2028805, 2840327, 4057610, 5680654, 8115220, 11361308, 14201635, 28403270, 56806540]

約数ペア:

[(1, 56806540), (2, 28403270), (4, 14201635), (5, 11361308), (7, 8115220), (10, 5680654), (14, 4057610), (20, 2840327), (28, 2028805), (35, 1623044), (70, 811522), (140, 405761), (199, 285460), (398, 142730), (796, 71365), (995, 57092), (1393, 40780), (1990, 28546), (2039, 27860), (2786, 20390), (3980, 14273), (4078, 13930), (5572, 10195), (6965, 8156)]