1117139265520

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{28440409}}^1$

素因数の和:28440913

約数の個数: 40

約数和(自身を含む): 2602638799920

約数和(自身を除く): 1485499534400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 28440409, 56880818, 113761636, 142202045, 227523272, 284404090, 455046544, 568808180, 1137616360, 2275232720, 13964240819, 27928481638, 55856963276, 69821204095, 111713926552, 139642408190, 223427853104, 279284816380, 558569632760, 1117139265520]

約数ペア:

[(1, 1117139265520), (2, 558569632760), (4, 279284816380), (5, 223427853104), (8, 139642408190), (10, 111713926552), (16, 69821204095), (20, 55856963276), (40, 27928481638), (80, 13964240819), (491, 2275232720), (982, 1137616360), (1964, 568808180), (2455, 455046544), (3928, 284404090), (4910, 227523272), (7856, 142202045), (9820, 113761636), (19640, 56880818), (39280, 28440409)]