41280040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 96010560

約数和(自身を除く): 54730520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 73, 134, 146, 211, 268, 292, 335, 365, 422, 536, 584, 670, 730, 844, 1055, 1340, 1460, 1688, 2110, 2680, 2920, 4220, 4891, 8440, 9782, 14137, 15403, 19564, 24455, 28274, 30806, 39128, 48910, 56548, 61612, 70685, 77015, 97820, 113096, 123224, 141370, 154030, 195640, 282740, 308060, 565480, 616120, 1032001, 2064002, 4128004, 5160005, 8256008, 10320010, 20640020, 41280040]

約数ペア:

[(1, 41280040), (2, 20640020), (4, 10320010), (5, 8256008), (8, 5160005), (10, 4128004), (20, 2064002), (40, 1032001), (67, 616120), (73, 565480), (134, 308060), (146, 282740), (211, 195640), (268, 154030), (292, 141370), (335, 123224), (365, 113096), (422, 97820), (536, 77015), (584, 70685), (670, 61612), (730, 56548), (844, 48910), (1055, 39128), (1340, 30806), (1460, 28274), (1688, 24455), (2110, 19564), (2680, 15403), (2920, 14137), (4220, 9782), (4891, 8440)]