4217720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8111}}^1$

素因数の和:8135

約数の個数: 32

約数和(自身を含む): 10221120

約数和(自身を除く): 6003400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8111, 16222, 32444, 40555, 64888, 81110, 105443, 162220, 210886, 324440, 421772, 527215, 843544, 1054430, 2108860, 4217720]

約数ペア:

[(1, 4217720), (2, 2108860), (4, 1054430), (5, 843544), (8, 527215), (10, 421772), (13, 324440), (20, 210886), (26, 162220), (40, 105443), (52, 81110), (65, 64888), (104, 40555), (130, 32444), (260, 16222), (520, 8111)]