64215040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6271}}^1$

素因数の和:6298

約数の個数: 48

約数和(自身を含む): 154103040

約数和(自身を除く): 89888000

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, 6271, 10240, 12542, 25084, 31355, 50168, 62710, 100336, 125420, 200672, 250840, 401344, 501680, 802688, 1003360, 1605376, 2006720, 3210752, 4013440, 6421504, 8026880, 12843008, 16053760, 32107520, 64215040]

約数ペア:

[(1, 64215040), (2, 32107520), (4, 16053760), (5, 12843008), (8, 8026880), (10, 6421504), (16, 4013440), (20, 3210752), (32, 2006720), (40, 1605376), (64, 1003360), (80, 802688), (128, 501680), (160, 401344), (256, 250840), (320, 200672), (512, 125420), (640, 100336), (1024, 62710), (1280, 50168), (2048, 31355), (2560, 25084), (5120, 12542), (6271, 10240)]