40417840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 100761408

約数和(自身を除く): 60343568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 113, 136, 170, 226, 263, 272, 340, 452, 526, 565, 680, 904, 1052, 1130, 1315, 1360, 1808, 1921, 2104, 2260, 2630, 3842, 4208, 4471, 4520, 5260, 7684, 8942, 9040, 9605, 10520, 15368, 17884, 19210, 21040, 22355, 29719, 30736, 35768, 38420, 44710, 59438, 71536, 76840, 89420, 118876, 148595, 153680, 178840, 237752, 297190, 357680, 475504, 505223, 594380, 1010446, 1188760, 2020892, 2377520, 2526115, 4041784, 5052230, 8083568, 10104460, 20208920, 40417840]

約数ペア:

[(1, 40417840), (2, 20208920), (4, 10104460), (5, 8083568), (8, 5052230), (10, 4041784), (16, 2526115), (17, 2377520), (20, 2020892), (34, 1188760), (40, 1010446), (68, 594380), (80, 505223), (85, 475504), (113, 357680), (136, 297190), (170, 237752), (226, 178840), (263, 153680), (272, 148595), (340, 118876), (452, 89420), (526, 76840), (565, 71536), (680, 59438), (904, 44710), (1052, 38420), (1130, 35768), (1315, 30736), (1360, 29719), (1808, 22355), (1921, 21040), (2104, 19210), (2260, 17884), (2630, 15368), (3842, 10520), (4208, 9605), (4471, 9040), (4520, 8942), (5260, 7684)]