4689940

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 9889992

約数和(自身を除く): 5200052

約数列:

[1, 2, 4, 5, 10, 20, 421, 557, 842, 1114, 1684, 2105, 2228, 2785, 4210, 5570, 8420, 11140, 234497, 468994, 937988, 1172485, 2344970, 4689940]

約数ペア:

[(1, 4689940), (2, 2344970), (4, 1172485), (5, 937988), (10, 468994), (20, 234497), (421, 11140), (557, 8420), (842, 5570), (1114, 4210), (1684, 2785), (2105, 2228)]