21725506240

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{3511}}^1$

素因数の和:3906

約数の個数: 112

約数和(自身を含む): 52762855104

約数和(自身を除く): 31037348864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 317, 320, 488, 610, 634, 976, 1220, 1268, 1585, 1952, 2440, 2536, 3170, 3511, 3904, 4880, 5072, 6340, 7022, 9760, 10144, 12680, 14044, 17555, 19337, 19520, 20288, 25360, 28088, 35110, 38674, 50720, 56176, 70220, 77348, 96685, 101440, 112352, 140440, 154696, 193370, 214171, 224704, 280880, 309392, 386740, 428342, 561760, 618784, 773480, 856684, 1070855, 1112987, 1123520, 1237568, 1546960, 1713368, 2141710, 2225974, 3093920, 3426736, 4283420, 4451948, 5564935, 6187840, 6853472, 8566840, 8903896, 11129870, 13706944, 17133680, 17807792, 22259740, 34267360, 35615584, 44519480, 67892207, 68534720, 71231168, 89038960, 135784414, 178077920, 271568828, 339461035, 356155840, 543137656, 678922070, 1086275312, 1357844140, 2172550624, 2715688280, 4345101248, 5431376560, 10862753120, 21725506240]

約数ペア:

[(1, 21725506240), (2, 10862753120), (4, 5431376560), (5, 4345101248), (8, 2715688280), (10, 2172550624), (16, 1357844140), (20, 1086275312), (32, 678922070), (40, 543137656), (61, 356155840), (64, 339461035), (80, 271568828), (122, 178077920), (160, 135784414), (244, 89038960), (305, 71231168), (317, 68534720), (320, 67892207), (488, 44519480), (610, 35615584), (634, 34267360), (976, 22259740), (1220, 17807792), (1268, 17133680), (1585, 13706944), (1952, 11129870), (2440, 8903896), (2536, 8566840), (3170, 6853472), (3511, 6187840), (3904, 5564935), (4880, 4451948), (5072, 4283420), (6340, 3426736), (7022, 3093920), (9760, 2225974), (10144, 2141710), (12680, 1713368), (14044, 1546960), (17555, 1237568), (19337, 1123520), (19520, 1112987), (20288, 1070855), (25360, 856684), (28088, 773480), (35110, 618784), (38674, 561760), (50720, 428342), (56176, 386740), (70220, 309392), (77348, 280880), (96685, 224704), (101440, 214171), (112352, 193370), (140440, 154696)]