4421840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1$

素因数の和:1827

約数の個数: 40

約数和(自身を含む): 10618368

約数和(自身を除く): 6196528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1783, 2480, 3566, 7132, 8915, 14264, 17830, 28528, 35660, 55273, 71320, 110546, 142640, 221092, 276365, 442184, 552730, 884368, 1105460, 2210920, 4421840]

約数ペア:

[(1, 4421840), (2, 2210920), (4, 1105460), (5, 884368), (8, 552730), (10, 442184), (16, 276365), (20, 221092), (31, 142640), (40, 110546), (62, 71320), (80, 55273), (124, 35660), (155, 28528), (248, 17830), (310, 14264), (496, 8915), (620, 7132), (1240, 3566), (1783, 2480)]