80879680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36107}}^1$

素因数の和:36131

約数の個数: 56

約数和(自身を含む): 220114368

約数和(自身を除く): 139234688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36107, 72214, 144428, 180535, 252749, 288856, 361070, 505498, 577712, 722140, 1010996, 1155424, 1263745, 1444280, 2021992, 2310848, 2527490, 2888560, 4043984, 5054980, 5777120, 8087968, 10109960, 11554240, 16175936, 20219920, 40439840, 80879680]

約数ペア:

[(1, 80879680), (2, 40439840), (4, 20219920), (5, 16175936), (7, 11554240), (8, 10109960), (10, 8087968), (14, 5777120), (16, 5054980), (20, 4043984), (28, 2888560), (32, 2527490), (35, 2310848), (40, 2021992), (56, 1444280), (64, 1263745), (70, 1155424), (80, 1010996), (112, 722140), (140, 577712), (160, 505498), (224, 361070), (280, 288856), (320, 252749), (448, 180535), (560, 144428), (1120, 72214), (2240, 36107)]