72964840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{140317}}^1$

素因数の和:140341

約数の個数: 32

約数和(自身を含む): 176800680

約数和(自身を除く): 103835840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 140317, 280634, 561268, 701585, 1122536, 1403170, 1824121, 2806340, 3648242, 5612680, 7296484, 9120605, 14592968, 18241210, 36482420, 72964840]

約数ペア:

[(1, 72964840), (2, 36482420), (4, 18241210), (5, 14592968), (8, 9120605), (10, 7296484), (13, 5612680), (20, 3648242), (26, 2806340), (40, 1824121), (52, 1403170), (65, 1122536), (104, 701585), (130, 561268), (260, 280634), (520, 140317)]