40658176

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 92143520

約数和(自身を除く): 51485344

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 643, 832, 988, 1216, 1286, 1664, 1976, 2432, 2572, 3328, 3952, 4864, 5144, 7904, 8359, 10288, 12217, 15808, 16718, 20576, 24434, 31616, 33436, 41152, 48868, 63232, 66872, 82304, 97736, 133744, 158821, 164608, 195472, 267488, 317642, 390944, 534976, 635284, 781888, 1069952, 1270568, 1563776, 2139904, 2541136, 3127552, 5082272, 10164544, 20329088, 40658176]

約数ペア:

[(1, 40658176), (2, 20329088), (4, 10164544), (8, 5082272), (13, 3127552), (16, 2541136), (19, 2139904), (26, 1563776), (32, 1270568), (38, 1069952), (52, 781888), (64, 635284), (76, 534976), (104, 390944), (128, 317642), (152, 267488), (208, 195472), (247, 164608), (256, 158821), (304, 133744), (416, 97736), (494, 82304), (608, 66872), (643, 63232), (832, 48868), (988, 41152), (1216, 33436), (1286, 31616), (1664, 24434), (1976, 20576), (2432, 16718), (2572, 15808), (3328, 12217), (3952, 10288), (4864, 8359), (5144, 7904)]