31547920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23197}}^1$

素因数の和:23227

約数の個数: 40

約数和(自身を含む): 77666904

約数和(自身を除く): 46118984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23197, 46394, 92788, 115985, 185576, 231970, 371152, 394349, 463940, 788698, 927880, 1577396, 1855760, 1971745, 3154792, 3943490, 6309584, 7886980, 15773960, 31547920]

約数ペア:

[(1, 31547920), (2, 15773960), (4, 7886980), (5, 6309584), (8, 3943490), (10, 3154792), (16, 1971745), (17, 1855760), (20, 1577396), (34, 927880), (40, 788698), (68, 463940), (80, 394349), (85, 371152), (136, 231970), (170, 185576), (272, 115985), (340, 92788), (680, 46394), (1360, 23197)]