31416760

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3259}}^1$

素因数の和:3511

約数の個数: 32

約数和(自身を含む): 71002800

約数和(自身を除く): 39586040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 3259, 4820, 6518, 9640, 13036, 16295, 26072, 32590, 65180, 130360, 785419, 1570838, 3141676, 3927095, 6283352, 7854190, 15708380, 31416760]

約数ペア:

[(1, 31416760), (2, 15708380), (4, 7854190), (5, 6283352), (8, 3927095), (10, 3141676), (20, 1570838), (40, 785419), (241, 130360), (482, 65180), (964, 32590), (1205, 26072), (1928, 16295), (2410, 13036), (3259, 9640), (4820, 6518)]