25430860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 66890880

約数和(自身を除く): 41460020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 89, 91, 130, 140, 157, 178, 182, 260, 314, 356, 364, 445, 455, 623, 628, 785, 890, 910, 1099, 1157, 1246, 1570, 1780, 1820, 2041, 2198, 2314, 2492, 3115, 3140, 4082, 4396, 4628, 5495, 5785, 6230, 8099, 8164, 10205, 10990, 11570, 12460, 13973, 14287, 16198, 20410, 21980, 23140, 27946, 28574, 32396, 40495, 40820, 55892, 57148, 69865, 71435, 80990, 97811, 139730, 142870, 161980, 181649, 195622, 279460, 285740, 363298, 391244, 489055, 726596, 908245, 978110, 1271543, 1816490, 1956220, 2543086, 3632980, 5086172, 6357715, 12715430, 25430860]

約数ペア:

[(1, 25430860), (2, 12715430), (4, 6357715), (5, 5086172), (7, 3632980), (10, 2543086), (13, 1956220), (14, 1816490), (20, 1271543), (26, 978110), (28, 908245), (35, 726596), (52, 489055), (65, 391244), (70, 363298), (89, 285740), (91, 279460), (130, 195622), (140, 181649), (157, 161980), (178, 142870), (182, 139730), (260, 97811), (314, 80990), (356, 71435), (364, 69865), (445, 57148), (455, 55892), (623, 40820), (628, 40495), (785, 32396), (890, 28574), (910, 27946), (1099, 23140), (1157, 21980), (1246, 20410), (1570, 16198), (1780, 14287), (1820, 13973), (2041, 12460), (2198, 11570), (2314, 10990), (2492, 10205), (3115, 8164), (3140, 8099), (4082, 6230), (4396, 5785), (4628, 5495)]