66191720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{236399}}^1$

素因数の和:236417

約数の個数: 32

約数和(自身を含む): 170208000

約数和(自身を除く): 104016280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 236399, 472798, 945596, 1181995, 1654793, 1891192, 2363990, 3309586, 4727980, 6619172, 8273965, 9455960, 13238344, 16547930, 33095860, 66191720]

約数ペア:

[(1, 66191720), (2, 33095860), (4, 16547930), (5, 13238344), (7, 9455960), (8, 8273965), (10, 6619172), (14, 4727980), (20, 3309586), (28, 2363990), (35, 1891192), (40, 1654793), (56, 1181995), (70, 945596), (140, 472798), (280, 236399)]