71193440

素因数分解:

$2^5\times 5^1\times {\mathrm{449}}^1\times {\mathrm{991}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 168739200

約数和(自身を除く): 97545760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 449, 898, 991, 1796, 1982, 2245, 3592, 3964, 4490, 4955, 7184, 7928, 8980, 9910, 14368, 15856, 17960, 19820, 31712, 35920, 39640, 71840, 79280, 158560, 444959, 889918, 1779836, 2224795, 3559672, 4449590, 7119344, 8899180, 14238688, 17798360, 35596720, 71193440]

約数ペア:

[(1, 71193440), (2, 35596720), (4, 17798360), (5, 14238688), (8, 8899180), (10, 7119344), (16, 4449590), (20, 3559672), (32, 2224795), (40, 1779836), (80, 889918), (160, 444959), (449, 158560), (898, 79280), (991, 71840), (1796, 39640), (1982, 35920), (2245, 31712), (3592, 19820), (3964, 17960), (4490, 15856), (4955, 14368), (7184, 9910), (7928, 8980)]