25168768

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 53856000

約数和(自身を除く): 28687232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 128, 131, 152, 158, 262, 304, 316, 524, 608, 632, 1048, 1216, 1264, 1501, 2096, 2432, 2489, 2528, 3002, 4192, 4978, 5056, 6004, 8384, 9956, 10112, 10349, 12008, 16768, 19912, 20698, 24016, 39824, 41396, 48032, 79648, 82792, 96064, 159296, 165584, 192128, 196631, 318592, 331168, 393262, 662336, 786524, 1324672, 1573048, 3146096, 6292192, 12584384, 25168768]

約数ペア:

[(1, 25168768), (2, 12584384), (4, 6292192), (8, 3146096), (16, 1573048), (19, 1324672), (32, 786524), (38, 662336), (64, 393262), (76, 331168), (79, 318592), (128, 196631), (131, 192128), (152, 165584), (158, 159296), (262, 96064), (304, 82792), (316, 79648), (524, 48032), (608, 41396), (632, 39824), (1048, 24016), (1216, 20698), (1264, 19912), (1501, 16768), (2096, 12008), (2432, 10349), (2489, 10112), (2528, 9956), (3002, 8384), (4192, 6004), (4978, 5056)]