7678840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14767}}^1$

素因数の和:14791

約数の個数: 32

約数和(自身を含む): 18607680

約数和(自身を除く): 10928840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 14767, 29534, 59068, 73835, 118136, 147670, 191971, 295340, 383942, 590680, 767884, 959855, 1535768, 1919710, 3839420, 7678840]

約数ペア:

[(1, 7678840), (2, 3839420), (4, 1919710), (5, 1535768), (8, 959855), (10, 767884), (13, 590680), (20, 383942), (26, 295340), (40, 191971), (52, 147670), (65, 118136), (104, 73835), (130, 59068), (260, 29534), (520, 14767)]