80789350

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 154365120

約数和(自身を除く): 73575770

約数列:

[1, 2, 5, 10, 25, 50, 79, 113, 158, 181, 226, 362, 395, 565, 790, 905, 1130, 1810, 1975, 2825, 3950, 4525, 5650, 8927, 9050, 14299, 17854, 20453, 28598, 40906, 44635, 71495, 89270, 102265, 142990, 204530, 223175, 357475, 446350, 511325, 714950, 1022650, 1615787, 3231574, 8078935, 16157870, 40394675, 80789350]

約数ペア:

[(1, 80789350), (2, 40394675), (5, 16157870), (10, 8078935), (25, 3231574), (50, 1615787), (79, 1022650), (113, 714950), (158, 511325), (181, 446350), (226, 357475), (362, 223175), (395, 204530), (565, 142990), (790, 102265), (905, 89270), (1130, 71495), (1810, 44635), (1975, 40906), (2825, 28598), (3950, 20453), (4525, 17854), (5650, 14299), (8927, 9050)]