51958280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{449}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 128304000

約数和(自身を除く): 76345720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 449, 526, 898, 1052, 1315, 1796, 2104, 2245, 2630, 2893, 3592, 4490, 4939, 5260, 5786, 8980, 9878, 10520, 11572, 14465, 17960, 19756, 23144, 24695, 28930, 39512, 49390, 57860, 98780, 115720, 118087, 197560, 236174, 472348, 590435, 944696, 1180870, 1298957, 2361740, 2597914, 4723480, 5195828, 6494785, 10391656, 12989570, 25979140, 51958280]

約数ペア:

[(1, 51958280), (2, 25979140), (4, 12989570), (5, 10391656), (8, 6494785), (10, 5195828), (11, 4723480), (20, 2597914), (22, 2361740), (40, 1298957), (44, 1180870), (55, 944696), (88, 590435), (110, 472348), (220, 236174), (263, 197560), (440, 118087), (449, 115720), (526, 98780), (898, 57860), (1052, 49390), (1315, 39512), (1796, 28930), (2104, 24695), (2245, 23144), (2630, 19756), (2893, 17960), (3592, 14465), (4490, 11572), (4939, 10520), (5260, 9878), (5786, 8980)]