6672640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 17255448

約数和(自身を除く): 10582808

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, 520, 640, 802, 832, 1040, 1280, 1604, 1664, 2005, 2080, 3208, 3328, 4010, 4160, 5213, 6416, 8020, 8320, 10426, 12832, 16040, 16640, 20852, 25664, 26065, 32080, 41704, 51328, 52130, 64160, 83408, 102656, 104260, 128320, 166816, 208520, 256640, 333632, 417040, 513280, 667264, 834080, 1334528, 1668160, 3336320, 6672640]

約数ペア:

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