117808520

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{5653}}^1$

素因数の和:6185

約数の個数: 32

約数和(自身を含む): 265624920

約数和(自身を除く): 147816400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 5653, 10420, 11306, 20840, 22612, 28265, 45224, 56530, 113060, 226120, 2945213, 5890426, 11780852, 14726065, 23561704, 29452130, 58904260, 117808520]

約数ペア:

[(1, 117808520), (2, 58904260), (4, 29452130), (5, 23561704), (8, 14726065), (10, 11780852), (20, 5890426), (40, 2945213), (521, 226120), (1042, 113060), (2084, 56530), (2605, 45224), (4168, 28265), (5210, 22612), (5653, 20840), (10420, 11306)]