25641525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:80

約数の個数: 108

約数和(自身を含む): 55731552

約数和(自身を除く): 30090027

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 25, 35, 39, 51, 65, 75, 85, 91, 105, 119, 169, 175, 195, 221, 255, 273, 289, 325, 357, 425, 455, 507, 525, 595, 663, 845, 867, 975, 1105, 1183, 1275, 1365, 1445, 1547, 1785, 2023, 2275, 2535, 2873, 2975, 3315, 3549, 3757, 4225, 4335, 4641, 5525, 5915, 6069, 6825, 7225, 7735, 8619, 8925, 10115, 11271, 12675, 14365, 16575, 17745, 18785, 20111, 21675, 23205, 26299, 29575, 30345, 38675, 43095, 48841, 50575, 56355, 60333, 71825, 78897, 88725, 93925, 100555, 116025, 131495, 146523, 151725, 215475, 244205, 281775, 301665, 341887, 394485, 502775, 657475, 732615, 1025661, 1221025, 1508325, 1709435, 1972425, 3663075, 5128305, 8547175, 25641525]

約数ペア:

[(1, 25641525), (3, 8547175), (5, 5128305), (7, 3663075), (13, 1972425), (15, 1709435), (17, 1508325), (21, 1221025), (25, 1025661), (35, 732615), (39, 657475), (51, 502775), (65, 394485), (75, 341887), (85, 301665), (91, 281775), (105, 244205), (119, 215475), (169, 151725), (175, 146523), (195, 131495), (221, 116025), (255, 100555), (273, 93925), (289, 88725), (325, 78897), (357, 71825), (425, 60333), (455, 56355), (507, 50575), (525, 48841), (595, 43095), (663, 38675), (845, 30345), (867, 29575), (975, 26299), (1105, 23205), (1183, 21675), (1275, 20111), (1365, 18785), (1445, 17745), (1547, 16575), (1785, 14365), (2023, 12675), (2275, 11271), (2535, 10115), (2873, 8925), (2975, 8619), (3315, 7735), (3549, 7225), (3757, 6825), (4225, 6069), (4335, 5915), (4641, 5525)]