25930840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1061}}^1$

素因数の和:1132

約数の個数: 64

約数和(自身を含む): 64229760

約数和(自身を除く): 38298920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1061, 1222, 1880, 2122, 2444, 3055, 4244, 4888, 5305, 6110, 8488, 10610, 12220, 13793, 21220, 24440, 27586, 42440, 49867, 55172, 68965, 99734, 110344, 137930, 199468, 249335, 275860, 398936, 498670, 551720, 648271, 997340, 1296542, 1994680, 2593084, 3241355, 5186168, 6482710, 12965420, 25930840]

約数ペア:

[(1, 25930840), (2, 12965420), (4, 6482710), (5, 5186168), (8, 3241355), (10, 2593084), (13, 1994680), (20, 1296542), (26, 997340), (40, 648271), (47, 551720), (52, 498670), (65, 398936), (94, 275860), (104, 249335), (130, 199468), (188, 137930), (235, 110344), (260, 99734), (376, 68965), (470, 55172), (520, 49867), (611, 42440), (940, 27586), (1061, 24440), (1222, 21220), (1880, 13793), (2122, 12220), (2444, 10610), (3055, 8488), (4244, 6110), (4888, 5305)]