15959720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{56999}}^1$

素因数の和:57017

約数の個数: 32

約数和(自身を含む): 41040000

約数和(自身を除く): 25080280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 56999, 113998, 227996, 284995, 398993, 455992, 569990, 797986, 1139980, 1595972, 1994965, 2279960, 3191944, 3989930, 7979860, 15959720]

約数ペア:

[(1, 15959720), (2, 7979860), (4, 3989930), (5, 3191944), (7, 2279960), (8, 1994965), (10, 1595972), (14, 1139980), (20, 797986), (28, 569990), (35, 455992), (40, 398993), (56, 284995), (70, 227996), (140, 113998), (280, 56999)]