166702720

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6353}}^1$

素因数の和:6413

約数の個数: 64

約数和(自身を含む): 408308040

約数和(自身を除く): 241605320

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, 1640, 2624, 3280, 5248, 6353, 6560, 12706, 13120, 25412, 26240, 31765, 50824, 63530, 101648, 127060, 203296, 254120, 260473, 406592, 508240, 520946, 813184, 1016480, 1041892, 1302365, 2032960, 2083784, 2604730, 4065920, 4167568, 5209460, 8335136, 10418920, 16670272, 20837840, 33340544, 41675680, 83351360, 166702720]

約数ペア:

[(1, 166702720), (2, 83351360), (4, 41675680), (5, 33340544), (8, 20837840), (10, 16670272), (16, 10418920), (20, 8335136), (32, 5209460), (40, 4167568), (41, 4065920), (64, 2604730), (80, 2083784), (82, 2032960), (128, 1302365), (160, 1041892), (164, 1016480), (205, 813184), (320, 520946), (328, 508240), (410, 406592), (640, 260473), (656, 254120), (820, 203296), (1312, 127060), (1640, 101648), (2624, 63530), (3280, 50824), (5248, 31765), (6353, 26240), (6560, 25412), (12706, 13120)]