115997440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6971}}^1$

素因数の和:7005

約数の個数: 72

約数和(自身を含む): 299266128

約数和(自身を除く): 183268688

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 6971, 8320, 13942, 16640, 27884, 34855, 55768, 69710, 90623, 111536, 139420, 181246, 223072, 278840, 362492, 446144, 453115, 557680, 724984, 892288, 906230, 1115360, 1449968, 1784576, 1812460, 2230720, 2899936, 3624920, 4461440, 5799872, 7249840, 8922880, 11599744, 14499680, 23199488, 28999360, 57998720, 115997440]

約数ペア:

[(1, 115997440), (2, 57998720), (4, 28999360), (5, 23199488), (8, 14499680), (10, 11599744), (13, 8922880), (16, 7249840), (20, 5799872), (26, 4461440), (32, 3624920), (40, 2899936), (52, 2230720), (64, 1812460), (65, 1784576), (80, 1449968), (104, 1115360), (128, 906230), (130, 892288), (160, 724984), (208, 557680), (256, 453115), (260, 446144), (320, 362492), (416, 278840), (520, 223072), (640, 181246), (832, 139420), (1040, 111536), (1280, 90623), (1664, 69710), (2080, 55768), (3328, 34855), (4160, 27884), (6971, 16640), (8320, 13942)]