1025001328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 2186485056

約数和(自身を除く): 1161483728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 101, 104, 194, 202, 208, 388, 404, 503, 776, 808, 1006, 1261, 1313, 1552, 1616, 2012, 2522, 2626, 4024, 5044, 5252, 6539, 8048, 9797, 10088, 10504, 13078, 19594, 20176, 21008, 26156, 39188, 48791, 50803, 52312, 78376, 97582, 101606, 104624, 127361, 156752, 195164, 203212, 254722, 390328, 406424, 509444, 634283, 660439, 780656, 812848, 1018888, 1268566, 1320878, 2037776, 2537132, 2641756, 4927891, 5074264, 5283512, 9855782, 10148528, 10567024, 19711564, 39423128, 64062583, 78846256, 128125166, 256250332, 512500664, 1025001328]

約数ペア:

[(1, 1025001328), (2, 512500664), (4, 256250332), (8, 128125166), (13, 78846256), (16, 64062583), (26, 39423128), (52, 19711564), (97, 10567024), (101, 10148528), (104, 9855782), (194, 5283512), (202, 5074264), (208, 4927891), (388, 2641756), (404, 2537132), (503, 2037776), (776, 1320878), (808, 1268566), (1006, 1018888), (1261, 812848), (1313, 780656), (1552, 660439), (1616, 634283), (2012, 509444), (2522, 406424), (2626, 390328), (4024, 254722), (5044, 203212), (5252, 195164), (6539, 156752), (8048, 127361), (9797, 104624), (10088, 101606), (10504, 97582), (13078, 78376), (19594, 52312), (20176, 50803), (21008, 48791), (26156, 39188)]