72118880

素因数分解:

$2^5\times 5^1\times {\mathrm{643}}^1\times {\mathrm{701}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 170889264

約数和(自身を除く): 98770384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 643, 701, 1286, 1402, 2572, 2804, 3215, 3505, 5144, 5608, 6430, 7010, 10288, 11216, 12860, 14020, 20576, 22432, 25720, 28040, 51440, 56080, 102880, 112160, 450743, 901486, 1802972, 2253715, 3605944, 4507430, 7211888, 9014860, 14423776, 18029720, 36059440, 72118880]

約数ペア:

[(1, 72118880), (2, 36059440), (4, 18029720), (5, 14423776), (8, 9014860), (10, 7211888), (16, 4507430), (20, 3605944), (32, 2253715), (40, 1802972), (80, 901486), (160, 450743), (643, 112160), (701, 102880), (1286, 56080), (1402, 51440), (2572, 28040), (2804, 25720), (3215, 22432), (3505, 20576), (5144, 14020), (5608, 12860), (6430, 11216), (7010, 10288)]