165419440

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9109}}^1$

素因数の和:9349

約数の個数: 40

約数和(自身を含む): 386336880

約数和(自身を除く): 220917440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 9080, 9109, 18160, 18218, 36436, 45545, 72872, 91090, 145744, 182180, 364360, 728720, 2067743, 4135486, 8270972, 10338715, 16541944, 20677430, 33083888, 41354860, 82709720, 165419440]

約数ペア:

[(1, 165419440), (2, 82709720), (4, 41354860), (5, 33083888), (8, 20677430), (10, 16541944), (16, 10338715), (20, 8270972), (40, 4135486), (80, 2067743), (227, 728720), (454, 364360), (908, 182180), (1135, 145744), (1816, 91090), (2270, 72872), (3632, 45545), (4540, 36436), (9080, 18218), (9109, 18160)]