15600080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1789}}^1$

素因数の和:1911

約数の個数: 40

約数和(自身を含む): 36623400

約数和(自身を除く): 21023320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 1789, 2180, 3578, 4360, 7156, 8720, 8945, 14312, 17890, 28624, 35780, 71560, 143120, 195001, 390002, 780004, 975005, 1560008, 1950010, 3120016, 3900020, 7800040, 15600080]

約数ペア:

[(1, 15600080), (2, 7800040), (4, 3900020), (5, 3120016), (8, 1950010), (10, 1560008), (16, 975005), (20, 780004), (40, 390002), (80, 195001), (109, 143120), (218, 71560), (436, 35780), (545, 28624), (872, 17890), (1090, 14312), (1744, 8945), (1789, 8720), (2180, 7156), (3578, 4360)]