16645040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12239}}^1$

素因数の和:12269

約数の個数: 40

約数和(自身を含む): 40979520

約数和(自身を除く): 24334480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 12239, 24478, 48956, 61195, 97912, 122390, 195824, 208063, 244780, 416126, 489560, 832252, 979120, 1040315, 1664504, 2080630, 3329008, 4161260, 8322520, 16645040]

約数ペア:

[(1, 16645040), (2, 8322520), (4, 4161260), (5, 3329008), (8, 2080630), (10, 1664504), (16, 1040315), (17, 979120), (20, 832252), (34, 489560), (40, 416126), (68, 244780), (80, 208063), (85, 195824), (136, 122390), (170, 97912), (272, 61195), (340, 48956), (680, 24478), (1360, 12239)]