1036881993040

素因数分解:

$2^4\times 5^1\times {\mathrm{648343}}^1\times {\mathrm{19991}}^1$

素因数の和:668347

約数の個数: 40

約数和(自身を含む): 2410874944128

約数和(自身を除く): 1373992951088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 19991, 39982, 79964, 99955, 159928, 199910, 319856, 399820, 648343, 799640, 1296686, 1599280, 2593372, 3241715, 5186744, 6483430, 10373488, 12966860, 25933720, 51867440, 12961024913, 25922049826, 51844099652, 64805124565, 103688199304, 129610249130, 207376398608, 259220498260, 518440996520, 1036881993040]

約数ペア:

[(1, 1036881993040), (2, 518440996520), (4, 259220498260), (5, 207376398608), (8, 129610249130), (10, 103688199304), (16, 64805124565), (20, 51844099652), (40, 25922049826), (80, 12961024913), (19991, 51867440), (39982, 25933720), (79964, 12966860), (99955, 10373488), (159928, 6483430), (199910, 5186744), (319856, 3241715), (399820, 2593372), (648343, 1599280), (799640, 1296686)]