66446060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 143664192

約数和(自身を除く): 77218132

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 641, 710, 730, 1282, 1420, 1460, 2564, 3205, 5183, 6410, 10366, 12820, 20732, 25915, 45511, 46793, 51830, 91022, 93586, 103660, 182044, 187172, 227555, 233965, 455110, 467930, 910220, 935860, 3322303, 6644606, 13289212, 16611515, 33223030, 66446060]

約数ペア:

[(1, 66446060), (2, 33223030), (4, 16611515), (5, 13289212), (10, 6644606), (20, 3322303), (71, 935860), (73, 910220), (142, 467930), (146, 455110), (284, 233965), (292, 227555), (355, 187172), (365, 182044), (641, 103660), (710, 93586), (730, 91022), (1282, 51830), (1420, 46793), (1460, 45511), (2564, 25915), (3205, 20732), (5183, 12820), (6410, 10366)]