40405980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2683}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 113629824

約数和(自身を除く): 73223844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 251, 502, 753, 1004, 1255, 1506, 2510, 2683, 3012, 3765, 5020, 5366, 7530, 8049, 10732, 13415, 15060, 16098, 26830, 32196, 40245, 53660, 80490, 160980, 673433, 1346866, 2020299, 2693732, 3367165, 4040598, 6734330, 8081196, 10101495, 13468660, 20202990, 40405980]

約数ペア:

[(1, 40405980), (2, 20202990), (3, 13468660), (4, 10101495), (5, 8081196), (6, 6734330), (10, 4040598), (12, 3367165), (15, 2693732), (20, 2020299), (30, 1346866), (60, 673433), (251, 160980), (502, 80490), (753, 53660), (1004, 40245), (1255, 32196), (1506, 26830), (2510, 16098), (2683, 15060), (3012, 13415), (3765, 10732), (5020, 8049), (5366, 7530)]