90640880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103001}}^1$

素因数の和:103025

約数の個数: 40

約数和(自身を含む): 229900464

約数和(自身を除く): 139259584

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 103001, 206002, 412004, 515005, 824008, 1030010, 1133011, 1648016, 2060020, 2266022, 4120040, 4532044, 5665055, 8240080, 9064088, 11330110, 18128176, 22660220, 45320440, 90640880]

約数ペア:

[(1, 90640880), (2, 45320440), (4, 22660220), (5, 18128176), (8, 11330110), (10, 9064088), (11, 8240080), (16, 5665055), (20, 4532044), (22, 4120040), (40, 2266022), (44, 2060020), (55, 1648016), (80, 1133011), (88, 1030010), (110, 824008), (176, 515005), (220, 412004), (440, 206002), (880, 103001)]