1668160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:431

約数の個数: 56

約数和(自身を含む): 4288536

約数和(自身を除く): 2620376

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, 401, 416, 520, 802, 832, 1040, 1604, 2005, 2080, 3208, 4010, 4160, 5213, 6416, 8020, 10426, 12832, 16040, 20852, 25664, 26065, 32080, 41704, 52130, 64160, 83408, 104260, 128320, 166816, 208520, 333632, 417040, 834080, 1668160]

約数ペア:

[(1, 1668160), (2, 834080), (4, 417040), (5, 333632), (8, 208520), (10, 166816), (13, 128320), (16, 104260), (20, 83408), (26, 64160), (32, 52130), (40, 41704), (52, 32080), (64, 26065), (65, 25664), (80, 20852), (104, 16040), (130, 12832), (160, 10426), (208, 8020), (260, 6416), (320, 5213), (401, 4160), (416, 4010), (520, 3208), (802, 2080), (832, 2005), (1040, 1604)]