245337040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{235901}}^1$

素因数の和:235927

約数の個数: 40

約数和(自身を含む): 614288808

約数和(自身を除く): 368951768

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 235901, 471802, 943604, 1179505, 1887208, 2359010, 3066713, 3774416, 4718020, 6133426, 9436040, 12266852, 15333565, 18872080, 24533704, 30667130, 49067408, 61334260, 122668520, 245337040]

約数ペア:

[(1, 245337040), (2, 122668520), (4, 61334260), (5, 49067408), (8, 30667130), (10, 24533704), (13, 18872080), (16, 15333565), (20, 12266852), (26, 9436040), (40, 6133426), (52, 4718020), (65, 3774416), (80, 3066713), (104, 2359010), (130, 1887208), (208, 1179505), (260, 943604), (520, 471802), (1040, 235901)]