72608080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21107}}^1$

素因数の和:21163

約数の個数: 40

約数和(自身を含む): 172747872

約数和(自身を除く): 100139792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21107, 42214, 84428, 105535, 168856, 211070, 337712, 422140, 844280, 907601, 1688560, 1815202, 3630404, 4538005, 7260808, 9076010, 14521616, 18152020, 36304040, 72608080]

約数ペア:

[(1, 72608080), (2, 36304040), (4, 18152020), (5, 14521616), (8, 9076010), (10, 7260808), (16, 4538005), (20, 3630404), (40, 1815202), (43, 1688560), (80, 907601), (86, 844280), (172, 422140), (215, 337712), (344, 211070), (430, 168856), (688, 105535), (860, 84428), (1720, 42214), (3440, 21107)]