25805325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 55552000

約数和(自身を除く): 29746675

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 57, 65, 75, 91, 95, 105, 133, 175, 195, 199, 247, 273, 285, 325, 399, 455, 475, 525, 597, 665, 741, 975, 995, 1235, 1365, 1393, 1425, 1729, 1995, 2275, 2587, 2985, 3325, 3705, 3781, 4179, 4975, 5187, 6175, 6825, 6965, 7761, 8645, 9975, 11343, 12935, 14925, 18109, 18525, 18905, 20895, 25935, 26467, 34825, 38805, 43225, 49153, 54327, 56715, 64675, 79401, 90545, 94525, 104475, 129675, 132335, 147459, 194025, 245765, 271635, 283575, 344071, 397005, 452725, 661675, 737295, 1032213, 1228825, 1358175, 1720355, 1985025, 3686475, 5161065, 8601775, 25805325]

約数ペア:

[(1, 25805325), (3, 8601775), (5, 5161065), (7, 3686475), (13, 1985025), (15, 1720355), (19, 1358175), (21, 1228825), (25, 1032213), (35, 737295), (39, 661675), (57, 452725), (65, 397005), (75, 344071), (91, 283575), (95, 271635), (105, 245765), (133, 194025), (175, 147459), (195, 132335), (199, 129675), (247, 104475), (273, 94525), (285, 90545), (325, 79401), (399, 64675), (455, 56715), (475, 54327), (525, 49153), (597, 43225), (665, 38805), (741, 34825), (975, 26467), (995, 25935), (1235, 20895), (1365, 18905), (1393, 18525), (1425, 18109), (1729, 14925), (1995, 12935), (2275, 11343), (2587, 9975), (2985, 8645), (3325, 7761), (3705, 6965), (3781, 6825), (4179, 6175), (4975, 5187)]