89503180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{344243}}^1$

素因数の和:344265

約数の個数: 24

約数和(自身を含む): 202415472

約数和(自身を除く): 112912292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 344243, 688486, 1376972, 1721215, 3442430, 4475159, 6884860, 8950318, 17900636, 22375795, 44751590, 89503180]

約数ペア:

[(1, 89503180), (2, 44751590), (4, 22375795), (5, 17900636), (10, 8950318), (13, 6884860), (20, 4475159), (26, 3442430), (52, 1721215), (65, 1376972), (130, 688486), (260, 344243)]