40498420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{383}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 90574848

約数和(自身を除く): 50076428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 311, 340, 383, 622, 766, 1244, 1532, 1555, 1915, 3110, 3830, 5287, 6220, 6511, 7660, 10574, 13022, 21148, 26044, 26435, 32555, 52870, 65110, 105740, 119113, 130220, 238226, 476452, 595565, 1191130, 2024921, 2382260, 4049842, 8099684, 10124605, 20249210, 40498420]

約数ペア:

[(1, 40498420), (2, 20249210), (4, 10124605), (5, 8099684), (10, 4049842), (17, 2382260), (20, 2024921), (34, 1191130), (68, 595565), (85, 476452), (170, 238226), (311, 130220), (340, 119113), (383, 105740), (622, 65110), (766, 52870), (1244, 32555), (1532, 26435), (1555, 26044), (1915, 21148), (3110, 13022), (3830, 10574), (5287, 7660), (6220, 6511)]