66064520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{86927}}^1$

素因数の和:86957

約数の個数: 32

約数和(自身を含む): 156470400

約数和(自身を除く): 90405880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 86927, 173854, 347708, 434635, 695416, 869270, 1651613, 1738540, 3303226, 3477080, 6606452, 8258065, 13212904, 16516130, 33032260, 66064520]

約数ペア:

[(1, 66064520), (2, 33032260), (4, 16516130), (5, 13212904), (8, 8258065), (10, 6606452), (19, 3477080), (20, 3303226), (38, 1738540), (40, 1651613), (76, 869270), (95, 695416), (152, 434635), (190, 347708), (380, 173854), (760, 86927)]