4365160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 9988200

約数和(自身を除く): 5623040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1789, 2440, 3578, 7156, 8945, 14312, 17890, 35780, 71560, 109129, 218258, 436516, 545645, 873032, 1091290, 2182580, 4365160]

約数ペア:

[(1, 4365160), (2, 2182580), (4, 1091290), (5, 873032), (8, 545645), (10, 436516), (20, 218258), (40, 109129), (61, 71560), (122, 35780), (244, 17890), (305, 14312), (488, 8945), (610, 7156), (1220, 3578), (1789, 2440)]