202169680

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 480826368

約数和(自身を除く): 278656688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 131, 191, 202, 262, 382, 404, 505, 524, 655, 764, 808, 955, 1010, 1048, 1310, 1528, 1616, 1910, 2020, 2096, 2620, 3056, 3820, 4040, 5240, 7640, 8080, 10480, 13231, 15280, 19291, 25021, 26462, 38582, 50042, 52924, 66155, 77164, 96455, 100084, 105848, 125105, 132310, 154328, 192910, 200168, 211696, 250210, 264620, 308656, 385820, 400336, 500420, 529240, 771640, 1000840, 1058480, 1543280, 2001680, 2527121, 5054242, 10108484, 12635605, 20216968, 25271210, 40433936, 50542420, 101084840, 202169680]

約数ペア:

[(1, 202169680), (2, 101084840), (4, 50542420), (5, 40433936), (8, 25271210), (10, 20216968), (16, 12635605), (20, 10108484), (40, 5054242), (80, 2527121), (101, 2001680), (131, 1543280), (191, 1058480), (202, 1000840), (262, 771640), (382, 529240), (404, 500420), (505, 400336), (524, 385820), (655, 308656), (764, 264620), (808, 250210), (955, 211696), (1010, 200168), (1048, 192910), (1310, 154328), (1528, 132310), (1616, 125105), (1910, 105848), (2020, 100084), (2096, 96455), (2620, 77164), (3056, 66155), (3820, 52924), (4040, 50042), (5240, 38582), (7640, 26462), (8080, 25021), (10480, 19291), (13231, 15280)]