25895320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 64087200

約数和(自身を除く): 38191880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 257, 440, 458, 514, 916, 1028, 1145, 1285, 1832, 2056, 2290, 2519, 2570, 2827, 4580, 5038, 5140, 5654, 9160, 10076, 10280, 11308, 12595, 14135, 20152, 22616, 25190, 28270, 50380, 56540, 58853, 100760, 113080, 117706, 235412, 294265, 470824, 588530, 647383, 1177060, 1294766, 2354120, 2589532, 3236915, 5179064, 6473830, 12947660, 25895320]

約数ペア:

[(1, 25895320), (2, 12947660), (4, 6473830), (5, 5179064), (8, 3236915), (10, 2589532), (11, 2354120), (20, 1294766), (22, 1177060), (40, 647383), (44, 588530), (55, 470824), (88, 294265), (110, 235412), (220, 117706), (229, 113080), (257, 100760), (440, 58853), (458, 56540), (514, 50380), (916, 28270), (1028, 25190), (1145, 22616), (1285, 20152), (1832, 14135), (2056, 12595), (2290, 11308), (2519, 10280), (2570, 10076), (2827, 9160), (4580, 5654), (5038, 5140)]