78568720

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2633}}^1$

素因数の和:3019

約数の個数: 40

約数和(自身を含む): 183231576

約数和(自身を除く): 104662856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 1492, 1865, 2633, 2984, 3730, 5266, 5968, 7460, 10532, 13165, 14920, 21064, 26330, 29840, 42128, 52660, 105320, 210640, 982109, 1964218, 3928436, 4910545, 7856872, 9821090, 15713744, 19642180, 39284360, 78568720]

約数ペア:

[(1, 78568720), (2, 39284360), (4, 19642180), (5, 15713744), (8, 9821090), (10, 7856872), (16, 4910545), (20, 3928436), (40, 1964218), (80, 982109), (373, 210640), (746, 105320), (1492, 52660), (1865, 42128), (2633, 29840), (2984, 26330), (3730, 21064), (5266, 14920), (5968, 13165), (7460, 10532)]