13642340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 29804544

約数和(自身を除く): 16162204

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 127, 131, 164, 205, 254, 262, 410, 508, 524, 635, 655, 820, 1270, 1310, 2540, 2620, 5207, 5371, 10414, 10742, 16637, 20828, 21484, 26035, 26855, 33274, 52070, 53710, 66548, 83185, 104140, 107420, 166370, 332740, 682117, 1364234, 2728468, 3410585, 6821170, 13642340]

約数ペア:

[(1, 13642340), (2, 6821170), (4, 3410585), (5, 2728468), (10, 1364234), (20, 682117), (41, 332740), (82, 166370), (127, 107420), (131, 104140), (164, 83185), (205, 66548), (254, 53710), (262, 52070), (410, 33274), (508, 26855), (524, 26035), (635, 21484), (655, 20828), (820, 16637), (1270, 10742), (1310, 10414), (2540, 5371), (2620, 5207)]