77147440

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7039}}^1$

素因数の和:7189

約数の個数: 40

約数和(自身を含む): 180702720

約数和(自身を除く): 103555280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 7039, 10960, 14078, 28156, 35195, 56312, 70390, 112624, 140780, 281560, 563120, 964343, 1928686, 3857372, 4821715, 7714744, 9643430, 15429488, 19286860, 38573720, 77147440]

約数ペア:

[(1, 77147440), (2, 38573720), (4, 19286860), (5, 15429488), (8, 9643430), (10, 7714744), (16, 4821715), (20, 3857372), (40, 1928686), (80, 964343), (137, 563120), (274, 281560), (548, 140780), (685, 112624), (1096, 70390), (1370, 56312), (2192, 35195), (2740, 28156), (5480, 14078), (7039, 10960)]