129246520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1249}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 315000000

約数和(自身を除く): 185753480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1249, 1592, 1990, 2498, 2587, 3980, 4996, 5174, 6245, 7960, 9992, 10348, 12490, 12935, 16237, 20696, 24980, 25870, 32474, 49960, 51740, 64948, 81185, 103480, 129896, 162370, 248551, 324740, 497102, 649480, 994204, 1242755, 1988408, 2485510, 3231163, 4971020, 6462326, 9942040, 12924652, 16155815, 25849304, 32311630, 64623260, 129246520]

約数ペア:

[(1, 129246520), (2, 64623260), (4, 32311630), (5, 25849304), (8, 16155815), (10, 12924652), (13, 9942040), (20, 6462326), (26, 4971020), (40, 3231163), (52, 2485510), (65, 1988408), (104, 1242755), (130, 994204), (199, 649480), (260, 497102), (398, 324740), (520, 248551), (796, 162370), (995, 129896), (1249, 103480), (1592, 81185), (1990, 64948), (2498, 51740), (2587, 49960), (3980, 32474), (4996, 25870), (5174, 24980), (6245, 20696), (7960, 16237), (9992, 12935), (10348, 12490)]