808711565540

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{14447}}^1$

素因数の和:15105

約数の個数: 96

約数和(自身を含む): 1747630080000

約数和(自身を除く): 938918514460

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 499, 710, 790, 998, 1420, 1580, 1996, 2495, 4990, 5609, 9980, 11218, 14447, 22436, 28045, 28894, 35429, 39421, 56090, 57788, 70858, 72235, 78842, 112180, 141716, 144470, 157684, 177145, 197105, 288940, 354290, 394210, 708580, 788420, 1025737, 1141313, 2051474, 2282626, 2798891, 4102948, 4565252, 5128685, 5597782, 5706565, 7209053, 10257370, 11195564, 11413130, 13994455, 14418106, 20514740, 22826260, 27988910, 28836212, 36045265, 55977820, 72090530, 81033223, 144181060, 162066446, 324132892, 405166115, 511842763, 569515187, 810332230, 1023685526, 1139030374, 1620664460, 2047371052, 2278060748, 2559213815, 2847575935, 5118427630, 5695151870, 10236855260, 11390303740, 40435578277, 80871156554, 161742313108, 202177891385, 404355782770, 808711565540]

約数ペア:

[(1, 808711565540), (2, 404355782770), (4, 202177891385), (5, 161742313108), (10, 80871156554), (20, 40435578277), (71, 11390303740), (79, 10236855260), (142, 5695151870), (158, 5118427630), (284, 2847575935), (316, 2559213815), (355, 2278060748), (395, 2047371052), (499, 1620664460), (710, 1139030374), (790, 1023685526), (998, 810332230), (1420, 569515187), (1580, 511842763), (1996, 405166115), (2495, 324132892), (4990, 162066446), (5609, 144181060), (9980, 81033223), (11218, 72090530), (14447, 55977820), (22436, 36045265), (28045, 28836212), (28894, 27988910), (35429, 22826260), (39421, 20514740), (56090, 14418106), (57788, 13994455), (70858, 11413130), (72235, 11195564), (78842, 10257370), (112180, 7209053), (141716, 5706565), (144470, 5597782), (157684, 5128685), (177145, 4565252), (197105, 4102948), (288940, 2798891), (354290, 2282626), (394210, 2051474), (708580, 1141313), (788420, 1025737)]