72531860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{213329}}^1$

素因数の和:213355

約数の個数: 24

約数和(自身を含む): 161277480

約数和(自身を除く): 88745620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 213329, 426658, 853316, 1066645, 2133290, 3626593, 4266580, 7253186, 14506372, 18132965, 36265930, 72531860]

約数ペア:

[(1, 72531860), (2, 36265930), (4, 18132965), (5, 14506372), (10, 7253186), (17, 4266580), (20, 3626593), (34, 2133290), (68, 1066645), (85, 853316), (170, 426658), (340, 213329)]