81737360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60101}}^1$

素因数の和:60131

約数の個数: 40

約数和(自身を含む): 201221496

約数和(自身を除く): 119484136

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 60101, 120202, 240404, 300505, 480808, 601010, 961616, 1021717, 1202020, 2043434, 2404040, 4086868, 4808080, 5108585, 8173736, 10217170, 16347472, 20434340, 40868680, 81737360]

約数ペア:

[(1, 81737360), (2, 40868680), (4, 20434340), (5, 16347472), (8, 10217170), (10, 8173736), (16, 5108585), (17, 4808080), (20, 4086868), (34, 2404040), (40, 2043434), (68, 1202020), (80, 1021717), (85, 961616), (136, 601010), (170, 480808), (272, 300505), (340, 240404), (680, 120202), (1360, 60101)]