64675000

素因数分解:

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

素因数の和:243

約数の個数: 96

約数和(自身を含む): 164052000

約数和(自身を除く): 99377000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 199, 200, 250, 260, 325, 398, 500, 520, 625, 650, 796, 995, 1000, 1250, 1300, 1592, 1625, 1990, 2500, 2587, 2600, 3125, 3250, 3980, 4975, 5000, 5174, 6250, 6500, 7960, 8125, 9950, 10348, 12500, 12935, 13000, 16250, 19900, 20696, 24875, 25000, 25870, 32500, 39800, 40625, 49750, 51740, 64675, 65000, 81250, 99500, 103480, 124375, 129350, 162500, 199000, 248750, 258700, 323375, 325000, 497500, 517400, 621875, 646750, 995000, 1243750, 1293500, 1616875, 2487500, 2587000, 3233750, 4975000, 6467500, 8084375, 12935000, 16168750, 32337500, 64675000]

約数ペア:

[(1, 64675000), (2, 32337500), (4, 16168750), (5, 12935000), (8, 8084375), (10, 6467500), (13, 4975000), (20, 3233750), (25, 2587000), (26, 2487500), (40, 1616875), (50, 1293500), (52, 1243750), (65, 995000), (100, 646750), (104, 621875), (125, 517400), (130, 497500), (199, 325000), (200, 323375), (250, 258700), (260, 248750), (325, 199000), (398, 162500), (500, 129350), (520, 124375), (625, 103480), (650, 99500), (796, 81250), (995, 65000), (1000, 64675), (1250, 51740), (1300, 49750), (1592, 40625), (1625, 39800), (1990, 32500), (2500, 25870), (2587, 25000), (2600, 24875), (3125, 20696), (3250, 19900), (3980, 16250), (4975, 13000), (5000, 12935), (5174, 12500), (6250, 10348), (6500, 9950), (7960, 8125)]