25799270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 55987200

約数和(自身を除く): 30187930

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 71, 142, 145, 179, 203, 290, 355, 358, 406, 497, 710, 895, 994, 1015, 1253, 1790, 2030, 2059, 2485, 2506, 4118, 4970, 5191, 6265, 10295, 10382, 12530, 12709, 14413, 20590, 25418, 25955, 28826, 36337, 51910, 63545, 72065, 72674, 88963, 127090, 144130, 177926, 181685, 363370, 368561, 444815, 737122, 889630, 1842805, 2579927, 3685610, 5159854, 12899635, 25799270]

約数ペア:

[(1, 25799270), (2, 12899635), (5, 5159854), (7, 3685610), (10, 2579927), (14, 1842805), (29, 889630), (35, 737122), (58, 444815), (70, 368561), (71, 363370), (142, 181685), (145, 177926), (179, 144130), (203, 127090), (290, 88963), (355, 72674), (358, 72065), (406, 63545), (497, 51910), (710, 36337), (895, 28826), (994, 25955), (1015, 25418), (1253, 20590), (1790, 14413), (2030, 12709), (2059, 12530), (2485, 10382), (2506, 10295), (4118, 6265), (4970, 5191)]