8432840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16217}}^1$

素因数の和:16241

約数の個数: 32

約数和(自身を含む): 20434680

約数和(自身を除く): 12001840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 16217, 32434, 64868, 81085, 129736, 162170, 210821, 324340, 421642, 648680, 843284, 1054105, 1686568, 2108210, 4216420, 8432840]

約数ペア:

[(1, 8432840), (2, 4216420), (4, 2108210), (5, 1686568), (8, 1054105), (10, 843284), (13, 648680), (20, 421642), (26, 324340), (40, 210821), (52, 162170), (65, 129736), (104, 81085), (130, 64868), (260, 32434), (520, 16217)]