39808220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{613}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 89123328

約数和(自身を除く): 49315108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 191, 340, 382, 613, 764, 955, 1226, 1910, 2452, 3065, 3247, 3820, 6130, 6494, 10421, 12260, 12988, 16235, 20842, 32470, 41684, 52105, 64940, 104210, 117083, 208420, 234166, 468332, 585415, 1170830, 1990411, 2341660, 3980822, 7961644, 9952055, 19904110, 39808220]

約数ペア:

[(1, 39808220), (2, 19904110), (4, 9952055), (5, 7961644), (10, 3980822), (17, 2341660), (20, 1990411), (34, 1170830), (68, 585415), (85, 468332), (170, 234166), (191, 208420), (340, 117083), (382, 104210), (613, 64940), (764, 52105), (955, 41684), (1226, 32470), (1910, 20842), (2452, 16235), (3065, 12988), (3247, 12260), (3820, 10421), (6130, 6494)]