16385720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31511}}^1$

素因数の和:31535

約数の個数: 32

約数和(自身を含む): 39705120

約数和(自身を除く): 23319400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31511, 63022, 126044, 157555, 252088, 315110, 409643, 630220, 819286, 1260440, 1638572, 2048215, 3277144, 4096430, 8192860, 16385720]

約数ペア:

[(1, 16385720), (2, 8192860), (4, 4096430), (5, 3277144), (8, 2048215), (10, 1638572), (13, 1260440), (20, 819286), (26, 630220), (40, 409643), (52, 315110), (65, 252088), (104, 157555), (130, 126044), (260, 63022), (520, 31511)]