28585840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21019}}^1$

素因数の和:21049

約数の個数: 40

約数和(自身を含む): 70374960

約数和(自身を除く): 41789120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21019, 42038, 84076, 105095, 168152, 210190, 336304, 357323, 420380, 714646, 840760, 1429292, 1681520, 1786615, 2858584, 3573230, 5717168, 7146460, 14292920, 28585840]

約数ペア:

[(1, 28585840), (2, 14292920), (4, 7146460), (5, 5717168), (8, 3573230), (10, 2858584), (16, 1786615), (17, 1681520), (20, 1429292), (34, 840760), (40, 714646), (68, 420380), (80, 357323), (85, 336304), (136, 210190), (170, 168152), (272, 105095), (340, 84076), (680, 42038), (1360, 21019)]