8125700

素因数分解:

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

素因数の和:197

約数の個数: 72

約数和(自身を含む): 19686240

約数和(自身を除く): 11560540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 83, 89, 100, 110, 166, 178, 220, 275, 332, 356, 415, 445, 550, 830, 890, 913, 979, 1100, 1660, 1780, 1826, 1958, 2075, 2225, 3652, 3916, 4150, 4450, 4565, 4895, 7387, 8300, 8900, 9130, 9790, 14774, 18260, 19580, 22825, 24475, 29548, 36935, 45650, 48950, 73870, 81257, 91300, 97900, 147740, 162514, 184675, 325028, 369350, 406285, 738700, 812570, 1625140, 2031425, 4062850, 8125700]

約数ペア:

[(1, 8125700), (2, 4062850), (4, 2031425), (5, 1625140), (10, 812570), (11, 738700), (20, 406285), (22, 369350), (25, 325028), (44, 184675), (50, 162514), (55, 147740), (83, 97900), (89, 91300), (100, 81257), (110, 73870), (166, 48950), (178, 45650), (220, 36935), (275, 29548), (332, 24475), (356, 22825), (415, 19580), (445, 18260), (550, 14774), (830, 9790), (890, 9130), (913, 8900), (979, 8300), (1100, 7387), (1660, 4895), (1780, 4565), (1826, 4450), (1958, 4150), (2075, 3916), (2225, 3652)]