25791640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13159}}^1$

素因数の和:13184

約数の個数: 48

約数和(自身を含む): 67510800

約数和(自身を除く): 41719160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13159, 26318, 52636, 65795, 92113, 105272, 131590, 184226, 263180, 368452, 460565, 526360, 644791, 736904, 921130, 1289582, 1842260, 2579164, 3223955, 3684520, 5158328, 6447910, 12895820, 25791640]

約数ペア:

[(1, 25791640), (2, 12895820), (4, 6447910), (5, 5158328), (7, 3684520), (8, 3223955), (10, 2579164), (14, 1842260), (20, 1289582), (28, 921130), (35, 736904), (40, 644791), (49, 526360), (56, 460565), (70, 368452), (98, 263180), (140, 184226), (196, 131590), (245, 105272), (280, 92113), (392, 65795), (490, 52636), (980, 26318), (1960, 13159)]