72505840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82393}}^1$

素因数の和:82417

約数の個数: 40

約数和(自身を含む): 183903408

約数和(自身を除く): 111397568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 82393, 164786, 329572, 411965, 659144, 823930, 906323, 1318288, 1647860, 1812646, 3295720, 3625292, 4531615, 6591440, 7250584, 9063230, 14501168, 18126460, 36252920, 72505840]

約数ペア:

[(1, 72505840), (2, 36252920), (4, 18126460), (5, 14501168), (8, 9063230), (10, 7250584), (11, 6591440), (16, 4531615), (20, 3625292), (22, 3295720), (40, 1812646), (44, 1647860), (55, 1318288), (80, 906323), (88, 823930), (110, 659144), (176, 411965), (220, 329572), (440, 164786), (880, 82393)]