31200160

素因数分解:

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

素因数の和:1913

約数の個数: 48

約数和(自身を含む): 74428200

約数和(自身を除く): 43228040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 1789, 2180, 3488, 3578, 4360, 7156, 8720, 8945, 14312, 17440, 17890, 28624, 35780, 57248, 71560, 143120, 195001, 286240, 390002, 780004, 975005, 1560008, 1950010, 3120016, 3900020, 6240032, 7800040, 15600080, 31200160]

約数ペア:

[(1, 31200160), (2, 15600080), (4, 7800040), (5, 6240032), (8, 3900020), (10, 3120016), (16, 1950010), (20, 1560008), (32, 975005), (40, 780004), (80, 390002), (109, 286240), (160, 195001), (218, 143120), (436, 71560), (545, 57248), (872, 35780), (1090, 28624), (1744, 17890), (1789, 17440), (2180, 14312), (3488, 8945), (3578, 8720), (4360, 7156)]