25303480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 35660360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 127, 136, 170, 254, 293, 340, 508, 586, 635, 680, 1016, 1172, 1270, 1465, 2159, 2344, 2540, 2930, 4318, 4981, 5080, 5860, 8636, 9962, 10795, 11720, 17272, 19924, 21590, 24905, 37211, 39848, 43180, 49810, 74422, 86360, 99620, 148844, 186055, 199240, 297688, 372110, 632587, 744220, 1265174, 1488440, 2530348, 3162935, 5060696, 6325870, 12651740, 25303480]

約数ペア:

[(1, 25303480), (2, 12651740), (4, 6325870), (5, 5060696), (8, 3162935), (10, 2530348), (17, 1488440), (20, 1265174), (34, 744220), (40, 632587), (68, 372110), (85, 297688), (127, 199240), (136, 186055), (170, 148844), (254, 99620), (293, 86360), (340, 74422), (508, 49810), (586, 43180), (635, 39848), (680, 37211), (1016, 24905), (1172, 21590), (1270, 19924), (1465, 17272), (2159, 11720), (2344, 10795), (2540, 9962), (2930, 8636), (4318, 5860), (4981, 5080)]