25189670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 27065050

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 83, 89, 110, 155, 166, 178, 310, 341, 415, 445, 682, 830, 890, 913, 979, 1705, 1826, 1958, 2573, 2759, 3410, 4565, 4895, 5146, 5518, 7387, 9130, 9790, 12865, 13795, 14774, 25730, 27590, 28303, 30349, 36935, 56606, 60698, 73870, 81257, 141515, 151745, 162514, 228997, 283030, 303490, 406285, 457994, 812570, 1144985, 2289970, 2518967, 5037934, 12594835, 25189670]

約数ペア:

[(1, 25189670), (2, 12594835), (5, 5037934), (10, 2518967), (11, 2289970), (22, 1144985), (31, 812570), (55, 457994), (62, 406285), (83, 303490), (89, 283030), (110, 228997), (155, 162514), (166, 151745), (178, 141515), (310, 81257), (341, 73870), (415, 60698), (445, 56606), (682, 36935), (830, 30349), (890, 28303), (913, 27590), (979, 25730), (1705, 14774), (1826, 13795), (1958, 12865), (2573, 9790), (2759, 9130), (3410, 7387), (4565, 5518), (4895, 5146)]