16445020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 36082368

約数和(自身を除く): 19637348

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 313, 355, 370, 626, 710, 740, 1252, 1420, 1565, 2627, 3130, 5254, 6260, 10508, 11581, 13135, 22223, 23162, 26270, 44446, 46324, 52540, 57905, 88892, 111115, 115810, 222230, 231620, 444460, 822251, 1644502, 3289004, 4111255, 8222510, 16445020]

約数ペア:

[(1, 16445020), (2, 8222510), (4, 4111255), (5, 3289004), (10, 1644502), (20, 822251), (37, 444460), (71, 231620), (74, 222230), (142, 115810), (148, 111115), (185, 88892), (284, 57905), (313, 52540), (355, 46324), (370, 44446), (626, 26270), (710, 23162), (740, 22223), (1252, 13135), (1420, 11581), (1565, 10508), (2627, 6260), (3130, 5254)]