25391730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 76640256

約数和(自身を除く): 51248526

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 71, 78, 91, 105, 130, 131, 142, 182, 195, 210, 213, 262, 273, 355, 390, 393, 426, 455, 497, 546, 655, 710, 786, 910, 917, 923, 994, 1065, 1310, 1365, 1491, 1703, 1834, 1846, 1965, 2130, 2485, 2730, 2751, 2769, 2982, 3406, 3930, 4585, 4615, 4970, 5109, 5502, 5538, 6461, 7455, 8515, 9170, 9230, 9301, 10218, 11921, 12922, 13755, 13845, 14910, 17030, 18602, 19383, 23842, 25545, 27510, 27690, 27903, 32305, 35763, 38766, 46505, 51090, 55806, 59605, 64610, 65107, 71526, 93010, 96915, 119210, 120913, 130214, 139515, 178815, 193830, 195321, 241826, 279030, 325535, 357630, 362739, 390642, 604565, 651070, 725478, 846391, 976605, 1209130, 1692782, 1813695, 1953210, 2539173, 3627390, 4231955, 5078346, 8463910, 12695865, 25391730]

約数ペア:

[(1, 25391730), (2, 12695865), (3, 8463910), (5, 5078346), (6, 4231955), (7, 3627390), (10, 2539173), (13, 1953210), (14, 1813695), (15, 1692782), (21, 1209130), (26, 976605), (30, 846391), (35, 725478), (39, 651070), (42, 604565), (65, 390642), (70, 362739), (71, 357630), (78, 325535), (91, 279030), (105, 241826), (130, 195321), (131, 193830), (142, 178815), (182, 139515), (195, 130214), (210, 120913), (213, 119210), (262, 96915), (273, 93010), (355, 71526), (390, 65107), (393, 64610), (426, 59605), (455, 55806), (497, 51090), (546, 46505), (655, 38766), (710, 35763), (786, 32305), (910, 27903), (917, 27690), (923, 27510), (994, 25545), (1065, 23842), (1310, 19383), (1365, 18602), (1491, 17030), (1703, 14910), (1834, 13845), (1846, 13755), (1965, 12922), (2130, 11921), (2485, 10218), (2730, 9301), (2751, 9230), (2769, 9170), (2982, 8515), (3406, 7455), (3930, 6461), (4585, 5538), (4615, 5502), (4970, 5109)]