31806640

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2633}}^1$

素因数の和:2797

約数の個数: 40

約数和(自身を含む): 74468448

約数和(自身を除く): 42661808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 2633, 3020, 5266, 6040, 10532, 12080, 13165, 21064, 26330, 42128, 52660, 105320, 210640, 397583, 795166, 1590332, 1987915, 3180664, 3975830, 6361328, 7951660, 15903320, 31806640]

約数ペア:

[(1, 31806640), (2, 15903320), (4, 7951660), (5, 6361328), (8, 3975830), (10, 3180664), (16, 1987915), (20, 1590332), (40, 795166), (80, 397583), (151, 210640), (302, 105320), (604, 52660), (755, 42128), (1208, 26330), (1510, 21064), (2416, 13165), (2633, 12080), (3020, 10532), (5266, 6040)]