165249520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121507}}^1$

素因数の和:121537

約数の個数: 40

約数和(自身を含む): 406808784

約数和(自身を除く): 241559264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 121507, 243014, 486028, 607535, 972056, 1215070, 1944112, 2065619, 2430140, 4131238, 4860280, 8262476, 9720560, 10328095, 16524952, 20656190, 33049904, 41312380, 82624760, 165249520]

約数ペア:

[(1, 165249520), (2, 82624760), (4, 41312380), (5, 33049904), (8, 20656190), (10, 16524952), (16, 10328095), (17, 9720560), (20, 8262476), (34, 4860280), (40, 4131238), (68, 2430140), (80, 2065619), (85, 1944112), (136, 1215070), (170, 972056), (272, 607535), (340, 486028), (680, 243014), (1360, 121507)]