53201320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30931}}^1$

素因数の和:30985

約数の個数: 32

約数和(自身を含む): 122490720

約数和(自身を除く): 69289400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 30931, 61862, 123724, 154655, 247448, 309310, 618620, 1237240, 1330033, 2660066, 5320132, 6650165, 10640264, 13300330, 26600660, 53201320]

約数ペア:

[(1, 53201320), (2, 26600660), (4, 13300330), (5, 10640264), (8, 6650165), (10, 5320132), (20, 2660066), (40, 1330033), (43, 1237240), (86, 618620), (172, 309310), (215, 247448), (344, 154655), (430, 123724), (860, 61862), (1720, 30931)]