38519440

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4261}}^1$

素因数の和:4387

約数の個数: 40

約数和(自身を含む): 90371448

約数和(自身を除く): 51852008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4261, 4520, 8522, 9040, 17044, 21305, 34088, 42610, 68176, 85220, 170440, 340880, 481493, 962986, 1925972, 2407465, 3851944, 4814930, 7703888, 9629860, 19259720, 38519440]

約数ペア:

[(1, 38519440), (2, 19259720), (4, 9629860), (5, 7703888), (8, 4814930), (10, 3851944), (16, 2407465), (20, 1925972), (40, 962986), (80, 481493), (113, 340880), (226, 170440), (452, 85220), (565, 68176), (904, 42610), (1130, 34088), (1808, 21305), (2260, 17044), (4261, 9040), (4520, 8522)]