7987520

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 19278600

約数和(自身を除く): 11291080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 229, 320, 436, 458, 545, 872, 916, 1090, 1145, 1744, 1832, 2180, 2290, 3488, 3664, 4360, 4580, 6976, 7328, 8720, 9160, 14656, 17440, 18320, 24961, 34880, 36640, 49922, 73280, 99844, 124805, 199688, 249610, 399376, 499220, 798752, 998440, 1597504, 1996880, 3993760, 7987520]

約数ペア:

[(1, 7987520), (2, 3993760), (4, 1996880), (5, 1597504), (8, 998440), (10, 798752), (16, 499220), (20, 399376), (32, 249610), (40, 199688), (64, 124805), (80, 99844), (109, 73280), (160, 49922), (218, 36640), (229, 34880), (320, 24961), (436, 18320), (458, 17440), (545, 14656), (872, 9160), (916, 8720), (1090, 7328), (1145, 6976), (1744, 4580), (1832, 4360), (2180, 3664), (2290, 3488)]