7782580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 18098640

約数和(自身を除く): 10316060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 809, 962, 1618, 1924, 2405, 3236, 4045, 4810, 8090, 9620, 10517, 16180, 21034, 29933, 42068, 52585, 59866, 105170, 119732, 149665, 210340, 299330, 389129, 598660, 778258, 1556516, 1945645, 3891290, 7782580]

約数ペア:

[(1, 7782580), (2, 3891290), (4, 1945645), (5, 1556516), (10, 778258), (13, 598660), (20, 389129), (26, 299330), (37, 210340), (52, 149665), (65, 119732), (74, 105170), (130, 59866), (148, 52585), (185, 42068), (260, 29933), (370, 21034), (481, 16180), (740, 10517), (809, 9620), (962, 8090), (1618, 4810), (1924, 4045), (2405, 3236)]