13345280

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:437

約数の個数: 80

約数和(自身を含む): 34544664

約数和(自身を除く): 21199384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 401, 416, 512, 520, 640, 802, 832, 1040, 1280, 1604, 1664, 2005, 2080, 2560, 3208, 3328, 4010, 4160, 5213, 6416, 6656, 8020, 8320, 10426, 12832, 16040, 16640, 20852, 25664, 26065, 32080, 33280, 41704, 51328, 52130, 64160, 83408, 102656, 104260, 128320, 166816, 205312, 208520, 256640, 333632, 417040, 513280, 667264, 834080, 1026560, 1334528, 1668160, 2669056, 3336320, 6672640, 13345280]

約数ペア:

[(1, 13345280), (2, 6672640), (4, 3336320), (5, 2669056), (8, 1668160), (10, 1334528), (13, 1026560), (16, 834080), (20, 667264), (26, 513280), (32, 417040), (40, 333632), (52, 256640), (64, 208520), (65, 205312), (80, 166816), (104, 128320), (128, 104260), (130, 102656), (160, 83408), (208, 64160), (256, 52130), (260, 51328), (320, 41704), (401, 33280), (416, 32080), (512, 26065), (520, 25664), (640, 20852), (802, 16640), (832, 16040), (1040, 12832), (1280, 10426), (1604, 8320), (1664, 8020), (2005, 6656), (2080, 6416), (2560, 5213), (3208, 4160), (3328, 4010)]