100639720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109391}}^1$

素因数の和:109425

約数の個数: 32

約数和(自身を含む): 236286720

約数和(自身を除く): 135647000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 109391, 218782, 437564, 546955, 875128, 1093910, 2187820, 2515993, 4375640, 5031986, 10063972, 12579965, 20127944, 25159930, 50319860, 100639720]

約数ペア:

[(1, 100639720), (2, 50319860), (4, 25159930), (5, 20127944), (8, 12579965), (10, 10063972), (20, 5031986), (23, 4375640), (40, 2515993), (46, 2187820), (92, 1093910), (115, 875128), (184, 546955), (230, 437564), (460, 218782), (920, 109391)]