26348725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 13023755

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 221, 247, 251, 323, 325, 425, 475, 1105, 1235, 1255, 1615, 3263, 4199, 4267, 4769, 5525, 6175, 6275, 8075, 16315, 20995, 21335, 23845, 55471, 61997, 81073, 81575, 104975, 106675, 119225, 277355, 309985, 405365, 1053949, 1386775, 1549925, 2026825, 5269745, 26348725]

約数ペア:

[(1, 26348725), (5, 5269745), (13, 2026825), (17, 1549925), (19, 1386775), (25, 1053949), (65, 405365), (85, 309985), (95, 277355), (221, 119225), (247, 106675), (251, 104975), (323, 81575), (325, 81073), (425, 61997), (475, 55471), (1105, 23845), (1235, 21335), (1255, 20995), (1615, 16315), (3263, 8075), (4199, 6275), (4267, 6175), (4769, 5525)]