28616560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 76798656

約数和(自身を除く): 48182096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 373, 548, 560, 685, 746, 959, 1096, 1370, 1492, 1865, 1918, 2192, 2611, 2740, 2984, 3730, 3836, 4795, 5222, 5480, 5968, 7460, 7672, 9590, 10444, 10960, 13055, 14920, 15344, 19180, 20888, 26110, 29840, 38360, 41776, 51101, 52220, 76720, 102202, 104440, 204404, 208880, 255505, 357707, 408808, 511010, 715414, 817616, 1022020, 1430828, 1788535, 2044040, 2861656, 3577070, 4088080, 5723312, 7154140, 14308280, 28616560]

約数ペア:

[(1, 28616560), (2, 14308280), (4, 7154140), (5, 5723312), (7, 4088080), (8, 3577070), (10, 2861656), (14, 2044040), (16, 1788535), (20, 1430828), (28, 1022020), (35, 817616), (40, 715414), (56, 511010), (70, 408808), (80, 357707), (112, 255505), (137, 208880), (140, 204404), (274, 104440), (280, 102202), (373, 76720), (548, 52220), (560, 51101), (685, 41776), (746, 38360), (959, 29840), (1096, 26110), (1370, 20888), (1492, 19180), (1865, 15344), (1918, 14920), (2192, 13055), (2611, 10960), (2740, 10444), (2984, 9590), (3730, 7672), (3836, 7460), (4795, 5968), (5222, 5480)]