201969160

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{16447}}^1$

素因数の和:16765

約数の個数: 32

約数和(自身を含む): 455938560

約数和(自身を除く): 253969400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 16447, 32894, 65788, 82235, 131576, 164470, 328940, 657880, 5049229, 10098458, 20196916, 25246145, 40393832, 50492290, 100984580, 201969160]

約数ペア:

[(1, 201969160), (2, 100984580), (4, 50492290), (5, 40393832), (8, 25246145), (10, 20196916), (20, 10098458), (40, 5049229), (307, 657880), (614, 328940), (1228, 164470), (1535, 131576), (2456, 82235), (3070, 65788), (6140, 32894), (12280, 16447)]