25537720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:824

約数の個数: 64

約数和(自身を含む): 62889120

約数和(自身を除く): 37351400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 733, 871, 1340, 1466, 1742, 2680, 2932, 3484, 3665, 4355, 5864, 6968, 7330, 8710, 9529, 14660, 17420, 19058, 29320, 34840, 38116, 47645, 49111, 76232, 95290, 98222, 190580, 196444, 245555, 381160, 392888, 491110, 638443, 982220, 1276886, 1964440, 2553772, 3192215, 5107544, 6384430, 12768860, 25537720]

約数ペア:

[(1, 25537720), (2, 12768860), (4, 6384430), (5, 5107544), (8, 3192215), (10, 2553772), (13, 1964440), (20, 1276886), (26, 982220), (40, 638443), (52, 491110), (65, 392888), (67, 381160), (104, 245555), (130, 196444), (134, 190580), (260, 98222), (268, 95290), (335, 76232), (520, 49111), (536, 47645), (670, 38116), (733, 34840), (871, 29320), (1340, 19058), (1466, 17420), (1742, 14660), (2680, 9529), (2932, 8710), (3484, 7330), (3665, 6968), (4355, 5864)]