78068720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51361}}^1$

素因数の和:51393

約数の個数: 40

約数和(自身を含む): 191066640

約数和(自身を除く): 112997920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51361, 102722, 205444, 256805, 410888, 513610, 821776, 975859, 1027220, 1951718, 2054440, 3903436, 4108880, 4879295, 7806872, 9758590, 15613744, 19517180, 39034360, 78068720]

約数ペア:

[(1, 78068720), (2, 39034360), (4, 19517180), (5, 15613744), (8, 9758590), (10, 7806872), (16, 4879295), (19, 4108880), (20, 3903436), (38, 2054440), (40, 1951718), (76, 1027220), (80, 975859), (95, 821776), (152, 513610), (190, 410888), (304, 256805), (380, 205444), (760, 102722), (1520, 51361)]