54874640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 80

約数和(自身を含む): 136477872

約数和(自身を除く): 81603232

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 257, 272, 314, 340, 514, 628, 680, 785, 1028, 1256, 1285, 1360, 1570, 2056, 2512, 2570, 2669, 3140, 4112, 4369, 5140, 5338, 6280, 8738, 10280, 10676, 12560, 13345, 17476, 20560, 21352, 21845, 26690, 34952, 40349, 42704, 43690, 53380, 69904, 80698, 87380, 106760, 161396, 174760, 201745, 213520, 322792, 349520, 403490, 645584, 685933, 806980, 1371866, 1613960, 2743732, 3227920, 3429665, 5487464, 6859330, 10974928, 13718660, 27437320, 54874640]

約数ペア:

[(1, 54874640), (2, 27437320), (4, 13718660), (5, 10974928), (8, 6859330), (10, 5487464), (16, 3429665), (17, 3227920), (20, 2743732), (34, 1613960), (40, 1371866), (68, 806980), (80, 685933), (85, 645584), (136, 403490), (157, 349520), (170, 322792), (257, 213520), (272, 201745), (314, 174760), (340, 161396), (514, 106760), (628, 87380), (680, 80698), (785, 69904), (1028, 53380), (1256, 43690), (1285, 42704), (1360, 40349), (1570, 34952), (2056, 26690), (2512, 21845), (2570, 21352), (2669, 20560), (3140, 17476), (4112, 13345), (4369, 12560), (5140, 10676), (5338, 10280), (6280, 8738)]