2912885720

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{106621}}^1$

素因数の和:107315

約数の個数: 32

約数和(自身を含む): 6563650320

約数和(自身を除く): 3650764600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 683, 1366, 2732, 3415, 5464, 6830, 13660, 27320, 106621, 213242, 426484, 533105, 852968, 1066210, 2132420, 4264840, 72822143, 145644286, 291288572, 364110715, 582577144, 728221430, 1456442860, 2912885720]

約数ペア:

[(1, 2912885720), (2, 1456442860), (4, 728221430), (5, 582577144), (8, 364110715), (10, 291288572), (20, 145644286), (40, 72822143), (683, 4264840), (1366, 2132420), (2732, 1066210), (3415, 852968), (5464, 533105), (6830, 426484), (13660, 213242), (27320, 106621)]