12903920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7013}}^1$

素因数の和:7049

約数の個数: 40

約数和(自身を含む): 31310496

約数和(自身を除く): 18406576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 7013, 14026, 28052, 35065, 56104, 70130, 112208, 140260, 161299, 280520, 322598, 561040, 645196, 806495, 1290392, 1612990, 2580784, 3225980, 6451960, 12903920]

約数ペア:

[(1, 12903920), (2, 6451960), (4, 3225980), (5, 2580784), (8, 1612990), (10, 1290392), (16, 806495), (20, 645196), (23, 561040), (40, 322598), (46, 280520), (80, 161299), (92, 140260), (115, 112208), (184, 70130), (230, 56104), (368, 35065), (460, 28052), (920, 14026), (1840, 7013)]