51583280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13159}}^1$

素因数の和:13186

約数の個数: 60

約数和(自身を含む): 139522320

約数和(自身を除く): 87939040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 13159, 26318, 52636, 65795, 92113, 105272, 131590, 184226, 210544, 263180, 368452, 460565, 526360, 644791, 736904, 921130, 1052720, 1289582, 1473808, 1842260, 2579164, 3223955, 3684520, 5158328, 6447910, 7369040, 10316656, 12895820, 25791640, 51583280]

約数ペア:

[(1, 51583280), (2, 25791640), (4, 12895820), (5, 10316656), (7, 7369040), (8, 6447910), (10, 5158328), (14, 3684520), (16, 3223955), (20, 2579164), (28, 1842260), (35, 1473808), (40, 1289582), (49, 1052720), (56, 921130), (70, 736904), (80, 644791), (98, 526360), (112, 460565), (140, 368452), (196, 263180), (245, 210544), (280, 184226), (392, 131590), (490, 105272), (560, 92113), (784, 65795), (980, 52636), (1960, 26318), (3920, 13159)]