61610680

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3137}}^1$

素因数の和:3639

約数の個数: 32

約数和(自身を含む): 138950640

約数和(自身を除く): 77339960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3137, 3928, 4910, 6274, 9820, 12548, 15685, 19640, 25096, 31370, 62740, 125480, 1540267, 3080534, 6161068, 7701335, 12322136, 15402670, 30805340, 61610680]

約数ペア:

[(1, 61610680), (2, 30805340), (4, 15402670), (5, 12322136), (8, 7701335), (10, 6161068), (20, 3080534), (40, 1540267), (491, 125480), (982, 62740), (1964, 31370), (2455, 25096), (3137, 19640), (3928, 15685), (4910, 12548), (6274, 9820)]