6444880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6197}}^1$

素因数の和:6223

約数の個数: 40

約数和(自身を含む): 16139592

約数和(自身を除く): 9694712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6197, 12394, 24788, 30985, 49576, 61970, 80561, 99152, 123940, 161122, 247880, 322244, 402805, 495760, 644488, 805610, 1288976, 1611220, 3222440, 6444880]

約数ペア:

[(1, 6444880), (2, 3222440), (4, 1611220), (5, 1288976), (8, 805610), (10, 644488), (13, 495760), (16, 402805), (20, 322244), (26, 247880), (40, 161122), (52, 123940), (65, 99152), (80, 80561), (104, 61970), (130, 49576), (208, 30985), (260, 24788), (520, 12394), (1040, 6197)]