16887260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64951}}^1$

素因数の和:64973

約数の個数: 24

約数和(自身を含む): 38191776

約数和(自身を除く): 21304516

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64951, 129902, 259804, 324755, 649510, 844363, 1299020, 1688726, 3377452, 4221815, 8443630, 16887260]

約数ペア:

[(1, 16887260), (2, 8443630), (4, 4221815), (5, 3377452), (10, 1688726), (13, 1299020), (20, 844363), (26, 649510), (52, 324755), (65, 259804), (130, 129902), (260, 64951)]