40724840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{78317}}^1$

素因数の和:78341

約数の個数: 32

約数和(自身を含む): 98680680

約数和(自身を除く): 57955840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 78317, 156634, 313268, 391585, 626536, 783170, 1018121, 1566340, 2036242, 3132680, 4072484, 5090605, 8144968, 10181210, 20362420, 40724840]

約数ペア:

[(1, 40724840), (2, 20362420), (4, 10181210), (5, 8144968), (8, 5090605), (10, 4072484), (13, 3132680), (20, 2036242), (26, 1566340), (40, 1018121), (52, 783170), (65, 626536), (104, 391585), (130, 313268), (260, 156634), (520, 78317)]