38557025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 16439455

約数列:

[1, 5, 13, 25, 31, 43, 65, 89, 155, 215, 325, 403, 445, 559, 775, 1075, 1157, 1333, 2015, 2225, 2759, 2795, 3827, 5785, 6665, 10075, 13795, 13975, 17329, 19135, 28925, 33325, 35867, 49751, 68975, 86645, 95675, 118637, 179335, 248755, 433225, 593185, 896675, 1243775, 1542281, 2965925, 7711405, 38557025]

約数ペア:

[(1, 38557025), (5, 7711405), (13, 2965925), (25, 1542281), (31, 1243775), (43, 896675), (65, 593185), (89, 433225), (155, 248755), (215, 179335), (325, 118637), (403, 95675), (445, 86645), (559, 68975), (775, 49751), (1075, 35867), (1157, 33325), (1333, 28925), (2015, 19135), (2225, 17329), (2759, 13975), (2795, 13795), (3827, 10075), (5785, 6665)]