8042840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15467}}^1$

素因数の和:15491

約数の個数: 32

約数和(自身を含む): 19489680

約数和(自身を除く): 11446840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15467, 30934, 61868, 77335, 123736, 154670, 201071, 309340, 402142, 618680, 804284, 1005355, 1608568, 2010710, 4021420, 8042840]

約数ペア:

[(1, 8042840), (2, 4021420), (4, 2010710), (5, 1608568), (8, 1005355), (10, 804284), (13, 618680), (20, 402142), (26, 309340), (40, 201071), (52, 154670), (65, 123736), (104, 77335), (130, 61868), (260, 30934), (520, 15467)]