28700366960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21103211}}^1$

素因数の和:21103241

約数の個数: 40

約数和(自身を含む): 70653553776

約数和(自身を除く): 41953186816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21103211, 42206422, 84412844, 105516055, 168825688, 211032110, 337651376, 358754587, 422064220, 717509174, 844128440, 1435018348, 1688256880, 1793772935, 2870036696, 3587545870, 5740073392, 7175091740, 14350183480, 28700366960]

約数ペア:

[(1, 28700366960), (2, 14350183480), (4, 7175091740), (5, 5740073392), (8, 3587545870), (10, 2870036696), (16, 1793772935), (17, 1688256880), (20, 1435018348), (34, 844128440), (40, 717509174), (68, 422064220), (80, 358754587), (85, 337651376), (136, 211032110), (170, 168825688), (272, 105516055), (340, 84412844), (680, 42206422), (1360, 21103211)]