80220160

素因数分解:

$2^{12}\times 5^1\times {\mathrm{3917}}^1$

素因数の和:3946

約数の個数: 52

約数和(自身を含む): 192554028

約数和(自身を除く): 112333868

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, 3917, 4096, 5120, 7834, 10240, 15668, 19585, 20480, 31336, 39170, 62672, 78340, 125344, 156680, 250688, 313360, 501376, 626720, 1002752, 1253440, 2005504, 2506880, 4011008, 5013760, 8022016, 10027520, 16044032, 20055040, 40110080, 80220160]

約数ペア:

[(1, 80220160), (2, 40110080), (4, 20055040), (5, 16044032), (8, 10027520), (10, 8022016), (16, 5013760), (20, 4011008), (32, 2506880), (40, 2005504), (64, 1253440), (80, 1002752), (128, 626720), (160, 501376), (256, 313360), (320, 250688), (512, 156680), (640, 125344), (1024, 78340), (1280, 62672), (2048, 39170), (2560, 31336), (3917, 20480), (4096, 19585), (5120, 15668), (7834, 10240)]