89030720

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4561}}^1$

素因数の和:4639

約数の個数: 56

約数和(自身を含む): 215527128

約数和(自身を除く): 126496408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4561, 4880, 9122, 9760, 18244, 19520, 22805, 36488, 45610, 72976, 91220, 145952, 182440, 278221, 291904, 364880, 556442, 729760, 1112884, 1391105, 1459520, 2225768, 2782210, 4451536, 5564420, 8903072, 11128840, 17806144, 22257680, 44515360, 89030720]

約数ペア:

[(1, 89030720), (2, 44515360), (4, 22257680), (5, 17806144), (8, 11128840), (10, 8903072), (16, 5564420), (20, 4451536), (32, 2782210), (40, 2225768), (61, 1459520), (64, 1391105), (80, 1112884), (122, 729760), (160, 556442), (244, 364880), (305, 291904), (320, 278221), (488, 182440), (610, 145952), (976, 91220), (1220, 72976), (1952, 45610), (2440, 36488), (3904, 22805), (4561, 19520), (4880, 18244), (9122, 9760)]