78839680

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2687

約数の個数: 64

約数和(自身を含む): 192559680

約数和(自身を除く): 113720000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 2621, 3008, 3760, 5242, 6016, 7520, 10484, 13105, 15040, 20968, 26210, 30080, 41936, 52420, 83872, 104840, 123187, 167744, 209680, 246374, 335488, 419360, 492748, 615935, 838720, 985496, 1231870, 1677440, 1970992, 2463740, 3941984, 4927480, 7883968, 9854960, 15767936, 19709920, 39419840, 78839680]

約数ペア:

[(1, 78839680), (2, 39419840), (4, 19709920), (5, 15767936), (8, 9854960), (10, 7883968), (16, 4927480), (20, 3941984), (32, 2463740), (40, 1970992), (47, 1677440), (64, 1231870), (80, 985496), (94, 838720), (128, 615935), (160, 492748), (188, 419360), (235, 335488), (320, 246374), (376, 209680), (470, 167744), (640, 123187), (752, 104840), (940, 83872), (1504, 52420), (1880, 41936), (2621, 30080), (3008, 26210), (3760, 20968), (5242, 15040), (6016, 13105), (7520, 10484)]