40899248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 80

約数和(自身を含む): 91660800

約数和(自身を除く): 50761552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 79, 104, 131, 152, 158, 208, 247, 262, 304, 316, 494, 524, 632, 988, 1027, 1048, 1264, 1501, 1703, 1976, 2054, 2096, 2489, 3002, 3406, 3952, 4108, 4978, 6004, 6812, 8216, 9956, 10349, 12008, 13624, 16432, 19513, 19912, 20698, 24016, 27248, 32357, 39026, 39824, 41396, 64714, 78052, 82792, 129428, 134537, 156104, 165584, 196631, 258856, 269074, 312208, 393262, 517712, 538148, 786524, 1076296, 1573048, 2152592, 2556203, 3146096, 5112406, 10224812, 20449624, 40899248]

約数ペア:

[(1, 40899248), (2, 20449624), (4, 10224812), (8, 5112406), (13, 3146096), (16, 2556203), (19, 2152592), (26, 1573048), (38, 1076296), (52, 786524), (76, 538148), (79, 517712), (104, 393262), (131, 312208), (152, 269074), (158, 258856), (208, 196631), (247, 165584), (262, 156104), (304, 134537), (316, 129428), (494, 82792), (524, 78052), (632, 64714), (988, 41396), (1027, 39824), (1048, 39026), (1264, 32357), (1501, 27248), (1703, 24016), (1976, 20698), (2054, 19912), (2096, 19513), (2489, 16432), (3002, 13624), (3406, 12008), (3952, 10349), (4108, 9956), (4978, 8216), (6004, 6812)]