22221040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{16339}}^1$

素因数の和:16369

約数の個数: 40

約数和(自身を含む): 54706320

約数和(自身を除く): 32485280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 16339, 32678, 65356, 81695, 130712, 163390, 261424, 277763, 326780, 555526, 653560, 1111052, 1307120, 1388815, 2222104, 2777630, 4444208, 5555260, 11110520, 22221040]

約数ペア:

[(1, 22221040), (2, 11110520), (4, 5555260), (5, 4444208), (8, 2777630), (10, 2222104), (16, 1388815), (17, 1307120), (20, 1111052), (34, 653560), (40, 555526), (68, 326780), (80, 277763), (85, 261424), (136, 163390), (170, 130712), (272, 81695), (340, 65356), (680, 32678), (1360, 16339)]