1611220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6197}}^1$

素因数の和:6219

約数の個数: 24

約数和(自身を含む): 3644424

約数和(自身を除く): 2033204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6197, 12394, 24788, 30985, 61970, 80561, 123940, 161122, 322244, 402805, 805610, 1611220]

約数ペア:

[(1, 1611220), (2, 805610), (4, 402805), (5, 322244), (10, 161122), (13, 123940), (20, 80561), (26, 61970), (52, 30985), (65, 24788), (130, 12394), (260, 6197)]