40542008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1056

約数の個数: 64

約数和(自身を含む): 90538560

約数和(自身を除く): 49996552

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 221, 299, 391, 442, 598, 782, 884, 997, 1196, 1564, 1768, 1994, 2392, 3128, 3988, 5083, 7976, 10166, 12961, 16949, 20332, 22931, 25922, 33898, 40664, 45862, 51844, 67796, 91724, 103688, 135592, 183448, 220337, 298103, 389827, 440674, 596206, 779654, 881348, 1192412, 1559308, 1762696, 2384824, 3118616, 5067751, 10135502, 20271004, 40542008]

約数ペア:

[(1, 40542008), (2, 20271004), (4, 10135502), (8, 5067751), (13, 3118616), (17, 2384824), (23, 1762696), (26, 1559308), (34, 1192412), (46, 881348), (52, 779654), (68, 596206), (92, 440674), (104, 389827), (136, 298103), (184, 220337), (221, 183448), (299, 135592), (391, 103688), (442, 91724), (598, 67796), (782, 51844), (884, 45862), (997, 40664), (1196, 33898), (1564, 25922), (1768, 22931), (1994, 20332), (2392, 16949), (3128, 12961), (3988, 10166), (5083, 7976)]