73875440

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 178488576

約数和(自身を除く): 104613136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 101, 164, 202, 205, 223, 328, 404, 410, 446, 505, 656, 808, 820, 892, 1010, 1115, 1616, 1640, 1784, 2020, 2230, 3280, 3568, 4040, 4141, 4460, 8080, 8282, 8920, 9143, 16564, 17840, 18286, 20705, 22523, 33128, 36572, 41410, 45046, 45715, 66256, 73144, 82820, 90092, 91430, 112615, 146288, 165640, 180184, 182860, 225230, 331280, 360368, 365720, 450460, 731440, 900920, 923443, 1801840, 1846886, 3693772, 4617215, 7387544, 9234430, 14775088, 18468860, 36937720, 73875440]

約数ペア:

[(1, 73875440), (2, 36937720), (4, 18468860), (5, 14775088), (8, 9234430), (10, 7387544), (16, 4617215), (20, 3693772), (40, 1846886), (41, 1801840), (80, 923443), (82, 900920), (101, 731440), (164, 450460), (202, 365720), (205, 360368), (223, 331280), (328, 225230), (404, 182860), (410, 180184), (446, 165640), (505, 146288), (656, 112615), (808, 91430), (820, 90092), (892, 82820), (1010, 73144), (1115, 66256), (1616, 45715), (1640, 45046), (1784, 41410), (2020, 36572), (2230, 33128), (3280, 22523), (3568, 20705), (4040, 18286), (4141, 17840), (4460, 16564), (8080, 9143), (8282, 8920)]