77989880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{114691}}^1$

素因数の和:114719

約数の個数: 32

約数和(自身を含む): 185801040

約数和(自身を除く): 107811160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 114691, 229382, 458764, 573455, 917528, 1146910, 1949747, 2293820, 3899494, 4587640, 7798988, 9748735, 15597976, 19497470, 38994940, 77989880]

約数ペア:

[(1, 77989880), (2, 38994940), (4, 19497470), (5, 15597976), (8, 9748735), (10, 7798988), (17, 4587640), (20, 3899494), (34, 2293820), (40, 1949747), (68, 1146910), (85, 917528), (136, 573455), (170, 458764), (340, 229382), (680, 114691)]