1325551420

素因数分解:

$2^2\times 5^1\times {\mathrm{13441}}^1\times {\mathrm{4931}}^1$

素因数の和:18381

約数の個数: 24

約数和(自身を含む): 2784429648

約数和(自身を除く): 1458878228

約数列:

[1, 2, 4, 5, 10, 20, 4931, 9862, 13441, 19724, 24655, 26882, 49310, 53764, 67205, 98620, 134410, 268820, 66277571, 132555142, 265110284, 331387855, 662775710, 1325551420]

約数ペア:

[(1, 1325551420), (2, 662775710), (4, 331387855), (5, 265110284), (10, 132555142), (20, 66277571), (4931, 268820), (9862, 134410), (13441, 98620), (19724, 67205), (24655, 53764), (26882, 49310)]