25481976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 128

約数和(自身を含む): 74027520

約数和(自身を除く): 48545544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 53, 67, 69, 78, 92, 104, 106, 134, 138, 156, 159, 184, 201, 212, 268, 276, 299, 312, 318, 402, 424, 536, 552, 598, 636, 689, 804, 871, 897, 1196, 1219, 1272, 1378, 1541, 1608, 1742, 1794, 2067, 2392, 2438, 2613, 2756, 3082, 3484, 3551, 3588, 3657, 4134, 4623, 4876, 5226, 5512, 6164, 6968, 7102, 7176, 7314, 8268, 9246, 9752, 10452, 10653, 12328, 14204, 14628, 15847, 16536, 18492, 20033, 20904, 21306, 28408, 29256, 31694, 36984, 40066, 42612, 46163, 47541, 60099, 63388, 80132, 81673, 85224, 92326, 95082, 120198, 126776, 138489, 160264, 163346, 184652, 190164, 240396, 245019, 276978, 326692, 369304, 380328, 480792, 490038, 553956, 653384, 980076, 1061749, 1107912, 1960152, 2123498, 3185247, 4246996, 6370494, 8493992, 12740988, 25481976]

約数ペア:

[(1, 25481976), (2, 12740988), (3, 8493992), (4, 6370494), (6, 4246996), (8, 3185247), (12, 2123498), (13, 1960152), (23, 1107912), (24, 1061749), (26, 980076), (39, 653384), (46, 553956), (52, 490038), (53, 480792), (67, 380328), (69, 369304), (78, 326692), (92, 276978), (104, 245019), (106, 240396), (134, 190164), (138, 184652), (156, 163346), (159, 160264), (184, 138489), (201, 126776), (212, 120198), (268, 95082), (276, 92326), (299, 85224), (312, 81673), (318, 80132), (402, 63388), (424, 60099), (536, 47541), (552, 46163), (598, 42612), (636, 40066), (689, 36984), (804, 31694), (871, 29256), (897, 28408), (1196, 21306), (1219, 20904), (1272, 20033), (1378, 18492), (1541, 16536), (1608, 15847), (1742, 14628), (1794, 14204), (2067, 12328), (2392, 10653), (2438, 10452), (2613, 9752), (2756, 9246), (3082, 8268), (3484, 7314), (3551, 7176), (3588, 7102), (3657, 6968), (4134, 6164), (4623, 5512), (4876, 5226)]