72674320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53437}}^1$

素因数の和:53467

約数の個数: 40

約数和(自身を含む): 178910424

約数和(自身を除く): 106236104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 53437, 106874, 213748, 267185, 427496, 534370, 854992, 908429, 1068740, 1816858, 2137480, 3633716, 4274960, 4542145, 7267432, 9084290, 14534864, 18168580, 36337160, 72674320]

約数ペア:

[(1, 72674320), (2, 36337160), (4, 18168580), (5, 14534864), (8, 9084290), (10, 7267432), (16, 4542145), (17, 4274960), (20, 3633716), (34, 2137480), (40, 1816858), (68, 1068740), (80, 908429), (85, 854992), (136, 534370), (170, 427496), (272, 267185), (340, 213748), (680, 106874), (1360, 53437)]