27903880

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1657}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 62970840

約数和(自身を除く): 35066960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1657, 1684, 2105, 3314, 3368, 4210, 6628, 8285, 8420, 13256, 16570, 16840, 33140, 66280, 697597, 1395194, 2790388, 3487985, 5580776, 6975970, 13951940, 27903880]

約数ペア:

[(1, 27903880), (2, 13951940), (4, 6975970), (5, 5580776), (8, 3487985), (10, 2790388), (20, 1395194), (40, 697597), (421, 66280), (842, 33140), (1657, 16840), (1684, 16570), (2105, 13256), (3314, 8420), (3368, 8285), (4210, 6628)]