2685280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1319

約数の個数: 48

約数和(自身を含む): 6837264

約数和(自身を除く): 4151984

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 1291, 2080, 2582, 5164, 6455, 10328, 12910, 16783, 20656, 25820, 33566, 41312, 51640, 67132, 83915, 103280, 134264, 167830, 206560, 268528, 335660, 537056, 671320, 1342640, 2685280]

約数ペア:

[(1, 2685280), (2, 1342640), (4, 671320), (5, 537056), (8, 335660), (10, 268528), (13, 206560), (16, 167830), (20, 134264), (26, 103280), (32, 83915), (40, 67132), (52, 51640), (65, 41312), (80, 33566), (104, 25820), (130, 20656), (160, 16783), (208, 12910), (260, 10328), (416, 6455), (520, 5164), (1040, 2582), (1291, 2080)]