460720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 1156176

約数和(自身を除く): 695456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 443, 520, 886, 1040, 1772, 2215, 3544, 4430, 5759, 7088, 8860, 11518, 17720, 23036, 28795, 35440, 46072, 57590, 92144, 115180, 230360, 460720]

約数ペア:

[(1, 460720), (2, 230360), (4, 115180), (5, 92144), (8, 57590), (10, 46072), (13, 35440), (16, 28795), (20, 23036), (26, 17720), (40, 11518), (52, 8860), (65, 7088), (80, 5759), (104, 4430), (130, 3544), (208, 2215), (260, 1772), (443, 1040), (520, 886)]