64747520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6323}}^1$

素因数の和:6350

約数の個数: 48

約数和(自身を含む): 155380680

約数和(自身を除く): 90633160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 6323, 10240, 12646, 25292, 31615, 50584, 63230, 101168, 126460, 202336, 252920, 404672, 505840, 809344, 1011680, 1618688, 2023360, 3237376, 4046720, 6474752, 8093440, 12949504, 16186880, 32373760, 64747520]

約数ペア:

[(1, 64747520), (2, 32373760), (4, 16186880), (5, 12949504), (8, 8093440), (10, 6474752), (16, 4046720), (20, 3237376), (32, 2023360), (40, 1618688), (64, 1011680), (80, 809344), (128, 505840), (160, 404672), (256, 252920), (320, 202336), (512, 126460), (640, 101168), (1024, 63230), (1280, 50584), (2048, 31615), (2560, 25292), (5120, 12646), (6323, 10240)]