40028170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43987}}^1$

素因数の和:44014

約数の個数: 32

約数和(自身を含む): 88679808

約数和(自身を除く): 48651638

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 43987, 87974, 219935, 307909, 439870, 571831, 615818, 1143662, 1539545, 2859155, 3079090, 4002817, 5718310, 8005634, 20014085, 40028170]

約数ペア:

[(1, 40028170), (2, 20014085), (5, 8005634), (7, 5718310), (10, 4002817), (13, 3079090), (14, 2859155), (26, 1539545), (35, 1143662), (65, 615818), (70, 571831), (91, 439870), (130, 307909), (182, 219935), (455, 87974), (910, 43987)]