65360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 40

約数和(自身を含む): 163680

約数和(自身を除く): 98320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1520, 1634, 1720, 3268, 3440, 4085, 6536, 8170, 13072, 16340, 32680, 65360]

約数ペア:

[(1, 65360), (2, 32680), (4, 16340), (5, 13072), (8, 8170), (10, 6536), (16, 4085), (19, 3440), (20, 3268), (38, 1720), (40, 1634), (43, 1520), (76, 860), (80, 817), (86, 760), (95, 688), (152, 430), (172, 380), (190, 344), (215, 304)]