25881960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 85639680

約数和(自身を除く): 59757720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 47, 52, 60, 65, 78, 94, 104, 120, 130, 141, 156, 188, 195, 235, 260, 282, 312, 353, 376, 390, 470, 520, 564, 611, 705, 706, 780, 940, 1059, 1128, 1222, 1410, 1412, 1560, 1765, 1833, 1880, 2118, 2444, 2820, 2824, 3055, 3530, 3666, 4236, 4589, 4888, 5295, 5640, 6110, 7060, 7332, 8472, 9165, 9178, 10590, 12220, 13767, 14120, 14664, 16591, 18330, 18356, 21180, 22945, 24440, 27534, 33182, 36660, 36712, 42360, 45890, 49773, 55068, 66364, 68835, 73320, 82955, 91780, 99546, 110136, 132728, 137670, 165910, 183560, 199092, 215683, 248865, 275340, 331820, 398184, 431366, 497730, 550680, 647049, 663640, 862732, 995460, 1078415, 1294098, 1725464, 1990920, 2156830, 2588196, 3235245, 4313660, 5176392, 6470490, 8627320, 12940980, 25881960]

約数ペア:

[(1, 25881960), (2, 12940980), (3, 8627320), (4, 6470490), (5, 5176392), (6, 4313660), (8, 3235245), (10, 2588196), (12, 2156830), (13, 1990920), (15, 1725464), (20, 1294098), (24, 1078415), (26, 995460), (30, 862732), (39, 663640), (40, 647049), (47, 550680), (52, 497730), (60, 431366), (65, 398184), (78, 331820), (94, 275340), (104, 248865), (120, 215683), (130, 199092), (141, 183560), (156, 165910), (188, 137670), (195, 132728), (235, 110136), (260, 99546), (282, 91780), (312, 82955), (353, 73320), (376, 68835), (390, 66364), (470, 55068), (520, 49773), (564, 45890), (611, 42360), (705, 36712), (706, 36660), (780, 33182), (940, 27534), (1059, 24440), (1128, 22945), (1222, 21180), (1410, 18356), (1412, 18330), (1560, 16591), (1765, 14664), (1833, 14120), (1880, 13767), (2118, 12220), (2444, 10590), (2820, 9178), (2824, 9165), (3055, 8472), (3530, 7332), (3666, 7060), (4236, 6110), (4589, 5640), (4888, 5295)]