1295453120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311407}}^1$

素因数の和:311437

約数の個数: 56

約数和(自身を含む): 3322100544

約数和(自身を除く): 2026647424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 311407, 622814, 1245628, 1557035, 2491256, 3114070, 4048291, 4982512, 6228140, 8096582, 9965024, 12456280, 16193164, 19930048, 20241455, 24912560, 32386328, 40482910, 49825120, 64772656, 80965820, 99650240, 129545312, 161931640, 259090624, 323863280, 647726560, 1295453120]

約数ペア:

[(1, 1295453120), (2, 647726560), (4, 323863280), (5, 259090624), (8, 161931640), (10, 129545312), (13, 99650240), (16, 80965820), (20, 64772656), (26, 49825120), (32, 40482910), (40, 32386328), (52, 24912560), (64, 20241455), (65, 19930048), (80, 16193164), (104, 12456280), (130, 9965024), (160, 8096582), (208, 6228140), (260, 4982512), (320, 4048291), (416, 3114070), (520, 2491256), (832, 1557035), (1040, 1245628), (2080, 622814), (4160, 311407)]