16578897680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4819447}}^1$

素因数の和:4819503

約数の個数: 40

約数和(自身を含む): 39442362432

約数和(自身を除く): 22863464752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4819447, 9638894, 19277788, 24097235, 38555576, 48194470, 77111152, 96388940, 192777880, 207236221, 385555760, 414472442, 828944884, 1036181105, 1657889768, 2072362210, 3315779536, 4144724420, 8289448840, 16578897680]

約数ペア:

[(1, 16578897680), (2, 8289448840), (4, 4144724420), (5, 3315779536), (8, 2072362210), (10, 1657889768), (16, 1036181105), (20, 828944884), (40, 414472442), (43, 385555760), (80, 207236221), (86, 192777880), (172, 96388940), (215, 77111152), (344, 48194470), (430, 38555576), (688, 24097235), (860, 19277788), (1720, 9638894), (3440, 4819447)]