12795740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 28600320

約数和(自身を除く): 15804580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 223, 302, 380, 446, 604, 755, 892, 1115, 1510, 2230, 2869, 3020, 4237, 4460, 5738, 8474, 11476, 14345, 16948, 21185, 28690, 33673, 42370, 57380, 67346, 84740, 134692, 168365, 336730, 639787, 673460, 1279574, 2559148, 3198935, 6397870, 12795740]

約数ペア:

[(1, 12795740), (2, 6397870), (4, 3198935), (5, 2559148), (10, 1279574), (19, 673460), (20, 639787), (38, 336730), (76, 168365), (95, 134692), (151, 84740), (190, 67346), (223, 57380), (302, 42370), (380, 33673), (446, 28690), (604, 21185), (755, 16948), (892, 14345), (1115, 11476), (1510, 8474), (2230, 5738), (2869, 4460), (3020, 4237)]