63988880

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10957}}^1$

素因数の和:11043

約数の個数: 40

約数和(自身を含む): 150825912

約数和(自身を除く): 86837032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 10957, 21914, 43828, 54785, 87656, 109570, 175312, 219140, 438280, 799861, 876560, 1599722, 3199444, 3999305, 6398888, 7998610, 12797776, 15997220, 31994440, 63988880]

約数ペア:

[(1, 63988880), (2, 31994440), (4, 15997220), (5, 12797776), (8, 7998610), (10, 6398888), (16, 3999305), (20, 3199444), (40, 1599722), (73, 876560), (80, 799861), (146, 438280), (292, 219140), (365, 175312), (584, 109570), (730, 87656), (1168, 54785), (1460, 43828), (2920, 21914), (5840, 10957)]