25735280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 38546320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 149, 170, 254, 272, 298, 340, 508, 596, 635, 680, 745, 1016, 1192, 1270, 1360, 1490, 2032, 2159, 2384, 2533, 2540, 2980, 4318, 5066, 5080, 5960, 8636, 10132, 10160, 10795, 11920, 12665, 17272, 18923, 20264, 21590, 25330, 34544, 37846, 40528, 43180, 50660, 75692, 86360, 94615, 101320, 151384, 172720, 189230, 202640, 302768, 321691, 378460, 643382, 756920, 1286764, 1513840, 1608455, 2573528, 3216910, 5147056, 6433820, 12867640, 25735280]

約数ペア:

[(1, 25735280), (2, 12867640), (4, 6433820), (5, 5147056), (8, 3216910), (10, 2573528), (16, 1608455), (17, 1513840), (20, 1286764), (34, 756920), (40, 643382), (68, 378460), (80, 321691), (85, 302768), (127, 202640), (136, 189230), (149, 172720), (170, 151384), (254, 101320), (272, 94615), (298, 86360), (340, 75692), (508, 50660), (596, 43180), (635, 40528), (680, 37846), (745, 34544), (1016, 25330), (1192, 21590), (1270, 20264), (1360, 18923), (1490, 17272), (2032, 12665), (2159, 11920), (2384, 10795), (2533, 10160), (2540, 10132), (2980, 8636), (4318, 5960), (5066, 5080)]