25544320

素因数分解:

$2^7\times 5^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:425

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 36145280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 167, 239, 320, 334, 478, 640, 668, 835, 956, 1195, 1336, 1670, 1912, 2390, 2672, 3340, 3824, 4780, 5344, 6680, 7648, 9560, 10688, 13360, 15296, 19120, 21376, 26720, 30592, 38240, 39913, 53440, 76480, 79826, 106880, 152960, 159652, 199565, 319304, 399130, 638608, 798260, 1277216, 1596520, 2554432, 3193040, 5108864, 6386080, 12772160, 25544320]

約数ペア:

[(1, 25544320), (2, 12772160), (4, 6386080), (5, 5108864), (8, 3193040), (10, 2554432), (16, 1596520), (20, 1277216), (32, 798260), (40, 638608), (64, 399130), (80, 319304), (128, 199565), (160, 159652), (167, 152960), (239, 106880), (320, 79826), (334, 76480), (478, 53440), (640, 39913), (668, 38240), (835, 30592), (956, 26720), (1195, 21376), (1336, 19120), (1670, 15296), (1912, 13360), (2390, 10688), (2672, 9560), (3340, 7648), (3824, 6680), (4780, 5344)]