71355440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68611}}^1$

素因数の和:68637

約数の個数: 40

約数和(自身を含む): 178665648

約数和(自身を除く): 107310208

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 68611, 137222, 274444, 343055, 548888, 686110, 891943, 1097776, 1372220, 1783886, 2744440, 3567772, 4459715, 5488880, 7135544, 8919430, 14271088, 17838860, 35677720, 71355440]

約数ペア:

[(1, 71355440), (2, 35677720), (4, 17838860), (5, 14271088), (8, 8919430), (10, 7135544), (13, 5488880), (16, 4459715), (20, 3567772), (26, 2744440), (40, 1783886), (52, 1372220), (65, 1097776), (80, 891943), (104, 686110), (130, 548888), (208, 343055), (260, 274444), (520, 137222), (1040, 68611)]