39018880

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 95618880

約数和(自身を除く): 56600000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 1312, 1487, 1640, 2624, 2974, 3280, 5248, 5948, 6560, 7435, 11896, 13120, 14870, 23792, 26240, 29740, 47584, 59480, 60967, 95168, 118960, 121934, 190336, 237920, 243868, 304835, 475840, 487736, 609670, 951680, 975472, 1219340, 1950944, 2438680, 3901888, 4877360, 7803776, 9754720, 19509440, 39018880]

約数ペア:

[(1, 39018880), (2, 19509440), (4, 9754720), (5, 7803776), (8, 4877360), (10, 3901888), (16, 2438680), (20, 1950944), (32, 1219340), (40, 975472), (41, 951680), (64, 609670), (80, 487736), (82, 475840), (128, 304835), (160, 243868), (164, 237920), (205, 190336), (320, 121934), (328, 118960), (410, 95168), (640, 60967), (656, 59480), (820, 47584), (1312, 29740), (1487, 26240), (1640, 23792), (2624, 14870), (2974, 13120), (3280, 11896), (5248, 7435), (5948, 6560)]