64623260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1249}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 147000000

約数和(自身を除く): 82376740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1249, 1990, 2498, 2587, 3980, 4996, 5174, 6245, 10348, 12490, 12935, 16237, 24980, 25870, 32474, 51740, 64948, 81185, 162370, 248551, 324740, 497102, 994204, 1242755, 2485510, 3231163, 4971020, 6462326, 12924652, 16155815, 32311630, 64623260]

約数ペア:

[(1, 64623260), (2, 32311630), (4, 16155815), (5, 12924652), (10, 6462326), (13, 4971020), (20, 3231163), (26, 2485510), (52, 1242755), (65, 994204), (130, 497102), (199, 324740), (260, 248551), (398, 162370), (796, 81185), (995, 64948), (1249, 51740), (1990, 32474), (2498, 25870), (2587, 24980), (3980, 16237), (4996, 12935), (5174, 12490), (6245, 10348)]