65505280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{6397}}^1$

素因数の和:6424

約数の個数: 48

約数和(自身を含む): 157198860

約数和(自身を除く): 91693580

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, 6397, 10240, 12794, 25588, 31985, 51176, 63970, 102352, 127940, 204704, 255880, 409408, 511760, 818816, 1023520, 1637632, 2047040, 3275264, 4094080, 6550528, 8188160, 13101056, 16376320, 32752640, 65505280]

約数ペア:

[(1, 65505280), (2, 32752640), (4, 16376320), (5, 13101056), (8, 8188160), (10, 6550528), (16, 4094080), (20, 3275264), (32, 2047040), (40, 1637632), (64, 1023520), (80, 818816), (128, 511760), (160, 409408), (256, 255880), (320, 204704), (512, 127940), (640, 102352), (1024, 63970), (1280, 51176), (2048, 31985), (2560, 25588), (5120, 12794), (6397, 10240)]