7983680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 56

約数和(自身を含む): 19370040

約数和(自身を除く): 11386360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 409, 488, 610, 818, 976, 1220, 1636, 1952, 2045, 2440, 3272, 3904, 4090, 4880, 6544, 8180, 9760, 13088, 16360, 19520, 24949, 26176, 32720, 49898, 65440, 99796, 124745, 130880, 199592, 249490, 399184, 498980, 798368, 997960, 1596736, 1995920, 3991840, 7983680]

約数ペア:

[(1, 7983680), (2, 3991840), (4, 1995920), (5, 1596736), (8, 997960), (10, 798368), (16, 498980), (20, 399184), (32, 249490), (40, 199592), (61, 130880), (64, 124745), (80, 99796), (122, 65440), (160, 49898), (244, 32720), (305, 26176), (320, 24949), (409, 19520), (488, 16360), (610, 13088), (818, 9760), (976, 8180), (1220, 6544), (1636, 4880), (1952, 4090), (2045, 3904), (2440, 3272)]