25456480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 74462976

約数和(自身を除く): 49006496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 160, 170, 191, 196, 224, 238, 245, 272, 280, 340, 382, 392, 476, 490, 544, 560, 595, 680, 764, 784, 833, 952, 955, 980, 1120, 1190, 1337, 1360, 1528, 1568, 1666, 1904, 1910, 1960, 2380, 2674, 2720, 3056, 3247, 3332, 3808, 3820, 3920, 4165, 4760, 5348, 6112, 6494, 6664, 6685, 7640, 7840, 8330, 9359, 9520, 10696, 12988, 13328, 13370, 15280, 16235, 16660, 18718, 19040, 21392, 22729, 25976, 26656, 26740, 30560, 32470, 33320, 37436, 42784, 45458, 46795, 51952, 53480, 64940, 66640, 74872, 90916, 93590, 103904, 106960, 113645, 129880, 133280, 149744, 159103, 181832, 187180, 213920, 227290, 259760, 299488, 318206, 363664, 374360, 454580, 519520, 636412, 727328, 748720, 795515, 909160, 1272824, 1497440, 1591030, 1818320, 2545648, 3182060, 3636640, 5091296, 6364120, 12728240, 25456480]

約数ペア:

[(1, 25456480), (2, 12728240), (4, 6364120), (5, 5091296), (7, 3636640), (8, 3182060), (10, 2545648), (14, 1818320), (16, 1591030), (17, 1497440), (20, 1272824), (28, 909160), (32, 795515), (34, 748720), (35, 727328), (40, 636412), (49, 519520), (56, 454580), (68, 374360), (70, 363664), (80, 318206), (85, 299488), (98, 259760), (112, 227290), (119, 213920), (136, 187180), (140, 181832), (160, 159103), (170, 149744), (191, 133280), (196, 129880), (224, 113645), (238, 106960), (245, 103904), (272, 93590), (280, 90916), (340, 74872), (382, 66640), (392, 64940), (476, 53480), (490, 51952), (544, 46795), (560, 45458), (595, 42784), (680, 37436), (764, 33320), (784, 32470), (833, 30560), (952, 26740), (955, 26656), (980, 25976), (1120, 22729), (1190, 21392), (1337, 19040), (1360, 18718), (1528, 16660), (1568, 16235), (1666, 15280), (1904, 13370), (1910, 13328), (1960, 12988), (2380, 10696), (2674, 9520), (2720, 9359), (3056, 8330), (3247, 7840), (3332, 7640), (3808, 6685), (3820, 6664), (3920, 6494), (4165, 6112), (4760, 5348)]