2105133040

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{53593}}^1$

素因数の和:54097

約数の個数: 40

約数和(自身を含む): 4904494128

約数和(自身を除く): 2799361088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 53593, 107186, 214372, 267965, 428744, 535930, 857488, 1071860, 2143720, 4287440, 26314163, 52628326, 105256652, 131570815, 210513304, 263141630, 421026608, 526283260, 1052566520, 2105133040]

約数ペア:

[(1, 2105133040), (2, 1052566520), (4, 526283260), (5, 421026608), (8, 263141630), (10, 210513304), (16, 131570815), (20, 105256652), (40, 52628326), (80, 26314163), (491, 4287440), (982, 2143720), (1964, 1071860), (2455, 857488), (3928, 535930), (4910, 428744), (7856, 267965), (9820, 214372), (19640, 107186), (39280, 53593)]