13345480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7759}}^1$

素因数の和:7813

約数の個数: 32

約数和(自身を含む): 30729600

約数和(自身を除く): 17384120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7759, 15518, 31036, 38795, 62072, 77590, 155180, 310360, 333637, 667274, 1334548, 1668185, 2669096, 3336370, 6672740, 13345480]

約数ペア:

[(1, 13345480), (2, 6672740), (4, 3336370), (5, 2669096), (8, 1668185), (10, 1334548), (20, 667274), (40, 333637), (43, 310360), (86, 155180), (172, 77590), (215, 62072), (344, 38795), (430, 31036), (860, 15518), (1720, 7759)]