8220299720

素因数分解:

$2^3\times 5^1\times {\mathrm{11161}}^1\times {\mathrm{18413}}^1$

素因数の和:29585

約数の個数: 32

約数和(自身を含む): 18498336120

約数和(自身を除く): 10278036400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11161, 18413, 22322, 36826, 44644, 55805, 73652, 89288, 92065, 111610, 147304, 184130, 223220, 368260, 446440, 736520, 205507493, 411014986, 822029972, 1027537465, 1644059944, 2055074930, 4110149860, 8220299720]

約数ペア:

[(1, 8220299720), (2, 4110149860), (4, 2055074930), (5, 1644059944), (8, 1027537465), (10, 822029972), (20, 411014986), (40, 205507493), (11161, 736520), (18413, 446440), (22322, 368260), (36826, 223220), (44644, 184130), (55805, 147304), (73652, 111610), (89288, 92065)]