77040560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15787}}^1$

素因数の和:15861

約数の個数: 40

約数和(自身を含む): 182067216

約数和(自身を除く): 105026656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 15787, 31574, 63148, 78935, 126296, 157870, 252592, 315740, 631480, 963007, 1262960, 1926014, 3852028, 4815035, 7704056, 9630070, 15408112, 19260140, 38520280, 77040560]

約数ペア:

[(1, 77040560), (2, 38520280), (4, 19260140), (5, 15408112), (8, 9630070), (10, 7704056), (16, 4815035), (20, 3852028), (40, 1926014), (61, 1262960), (80, 963007), (122, 631480), (244, 315740), (305, 252592), (488, 157870), (610, 126296), (976, 78935), (1220, 63148), (2440, 31574), (4880, 15787)]