40005376

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:189

約数の個数: 54

約数和(自身を含む): 83607776

約数和(自身を除く): 43602400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 248, 256, 284, 496, 568, 992, 1136, 1984, 2201, 2272, 3968, 4402, 4544, 5041, 7936, 8804, 9088, 10082, 17608, 18176, 20164, 35216, 40328, 70432, 80656, 140864, 156271, 161312, 281728, 312542, 322624, 563456, 625084, 645248, 1250168, 1290496, 2500336, 5000672, 10001344, 20002688, 40005376]

約数ペア:

[(1, 40005376), (2, 20002688), (4, 10001344), (8, 5000672), (16, 2500336), (31, 1290496), (32, 1250168), (62, 645248), (64, 625084), (71, 563456), (124, 322624), (128, 312542), (142, 281728), (248, 161312), (256, 156271), (284, 140864), (496, 80656), (568, 70432), (992, 40328), (1136, 35216), (1984, 20164), (2201, 18176), (2272, 17608), (3968, 10082), (4402, 9088), (4544, 8804), (5041, 7936)]