640573064192

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{20179343}}^1$

素因数の和:20179394

約数の個数: 44

約数和(自身を含む): 1321827749376

約数和(自身を除く): 681254685184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1984, 3968, 7936, 15872, 31744, 20179343, 40358686, 80717372, 161434744, 322869488, 625559633, 645738976, 1251119266, 1291477952, 2502238532, 2582955904, 5004477064, 5165911808, 10008954128, 10331823616, 20017908256, 20663647232, 40035816512, 80071633024, 160143266048, 320286532096, 640573064192]

約数ペア:

[(1, 640573064192), (2, 320286532096), (4, 160143266048), (8, 80071633024), (16, 40035816512), (31, 20663647232), (32, 20017908256), (62, 10331823616), (64, 10008954128), (124, 5165911808), (128, 5004477064), (248, 2582955904), (256, 2502238532), (496, 1291477952), (512, 1251119266), (992, 645738976), (1024, 625559633), (1984, 322869488), (3968, 161434744), (7936, 80717372), (15872, 40358686), (31744, 20179343)]