72919120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53617}}^1$

素因数の和:53647

約数の個数: 40

約数和(自身を含む): 179513064

約数和(自身を除く): 106593944

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 53617, 107234, 214468, 268085, 428936, 536170, 857872, 911489, 1072340, 1822978, 2144680, 3645956, 4289360, 4557445, 7291912, 9114890, 14583824, 18229780, 36459560, 72919120]

約数ペア:

[(1, 72919120), (2, 36459560), (4, 18229780), (5, 14583824), (8, 9114890), (10, 7291912), (16, 4557445), (17, 4289360), (20, 3645956), (34, 2144680), (40, 1822978), (68, 1072340), (80, 911489), (85, 857872), (136, 536170), (170, 428936), (272, 268085), (340, 214468), (680, 107234), (1360, 53617)]