40487960

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2917}}^1$

素因数の和:3275

約数の個数: 32

約数和(自身を含む): 91391760

約数和(自身を除く): 50903800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2776, 2917, 3470, 5834, 6940, 11668, 13880, 14585, 23336, 29170, 58340, 116680, 1012199, 2024398, 4048796, 5060995, 8097592, 10121990, 20243980, 40487960]

約数ペア:

[(1, 40487960), (2, 20243980), (4, 10121990), (5, 8097592), (8, 5060995), (10, 4048796), (20, 2024398), (40, 1012199), (347, 116680), (694, 58340), (1388, 29170), (1735, 23336), (2776, 14585), (2917, 13880), (3470, 11668), (5834, 6940)]