4920481640

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1217941}}^1$

素因数の和:1218053

約数の個数: 32

約数和(自身を含む): 11180707560

約数和(自身を除く): 6260225920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 1217941, 2435882, 4871764, 6089705, 9743528, 12179410, 24358820, 48717640, 123012041, 246024082, 492048164, 615060205, 984096328, 1230120410, 2460240820, 4920481640]

約数ペア:

[(1, 4920481640), (2, 2460240820), (4, 1230120410), (5, 984096328), (8, 615060205), (10, 492048164), (20, 246024082), (40, 123012041), (101, 48717640), (202, 24358820), (404, 12179410), (505, 9743528), (808, 6089705), (1010, 4871764), (2020, 2435882), (4040, 1217941)]