4100720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3943}}^1$

素因数の和:3969

約数の個数: 40

約数和(自身を含む): 10270176

約数和(自身を除く): 6169456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3943, 7886, 15772, 19715, 31544, 39430, 51259, 63088, 78860, 102518, 157720, 205036, 256295, 315440, 410072, 512590, 820144, 1025180, 2050360, 4100720]

約数ペア:

[(1, 4100720), (2, 2050360), (4, 1025180), (5, 820144), (8, 512590), (10, 410072), (13, 315440), (16, 256295), (20, 205036), (26, 157720), (40, 102518), (52, 78860), (65, 63088), (80, 51259), (104, 39430), (130, 31544), (208, 19715), (260, 15772), (520, 7886), (1040, 3943)]