9379880

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{557}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 21192840

約数和(自身を除く): 11812960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 557, 842, 1114, 1684, 2105, 2228, 2785, 3368, 4210, 4456, 5570, 8420, 11140, 16840, 22280, 234497, 468994, 937988, 1172485, 1875976, 2344970, 4689940, 9379880]

約数ペア:

[(1, 9379880), (2, 4689940), (4, 2344970), (5, 1875976), (8, 1172485), (10, 937988), (20, 468994), (40, 234497), (421, 22280), (557, 16840), (842, 11140), (1114, 8420), (1684, 5570), (2105, 4456), (2228, 4210), (2785, 3368)]