77505040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56989}}^1$

素因数の和:57019

約数の個数: 40

約数和(自身を含む): 190802520

約数和(自身を除く): 113297480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 56989, 113978, 227956, 284945, 455912, 569890, 911824, 968813, 1139780, 1937626, 2279560, 3875252, 4559120, 4844065, 7750504, 9688130, 15501008, 19376260, 38752520, 77505040]

約数ペア:

[(1, 77505040), (2, 38752520), (4, 19376260), (5, 15501008), (8, 9688130), (10, 7750504), (16, 4844065), (17, 4559120), (20, 3875252), (34, 2279560), (40, 1937626), (68, 1139780), (80, 968813), (85, 911824), (136, 569890), (170, 455912), (272, 284945), (340, 227956), (680, 113978), (1360, 56989)]