53754280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 125874000

約数和(自身を除く): 72119720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 73, 82, 146, 164, 205, 292, 328, 365, 410, 449, 584, 730, 820, 898, 1460, 1640, 1796, 2245, 2920, 2993, 3592, 4490, 5986, 8980, 11972, 14965, 17960, 18409, 23944, 29930, 32777, 36818, 59860, 65554, 73636, 92045, 119720, 131108, 147272, 163885, 184090, 262216, 327770, 368180, 655540, 736360, 1311080, 1343857, 2687714, 5375428, 6719285, 10750856, 13438570, 26877140, 53754280]

約数ペア:

[(1, 53754280), (2, 26877140), (4, 13438570), (5, 10750856), (8, 6719285), (10, 5375428), (20, 2687714), (40, 1343857), (41, 1311080), (73, 736360), (82, 655540), (146, 368180), (164, 327770), (205, 262216), (292, 184090), (328, 163885), (365, 147272), (410, 131108), (449, 119720), (584, 92045), (730, 73636), (820, 65554), (898, 59860), (1460, 36818), (1640, 32777), (1796, 29930), (2245, 23944), (2920, 18409), (2993, 17960), (3592, 14965), (4490, 11972), (5986, 8980)]