85671280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 207290304

約数和(自身を除く): 121619024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 103, 148, 185, 206, 281, 296, 370, 412, 515, 562, 592, 740, 824, 1030, 1124, 1405, 1480, 1648, 2060, 2248, 2810, 2960, 3811, 4120, 4496, 5620, 7622, 8240, 10397, 11240, 15244, 19055, 20794, 22480, 28943, 30488, 38110, 41588, 51985, 57886, 60976, 76220, 83176, 103970, 115772, 144715, 152440, 166352, 207940, 231544, 289430, 304880, 415880, 463088, 578860, 831760, 1070891, 1157720, 2141782, 2315440, 4283564, 5354455, 8567128, 10708910, 17134256, 21417820, 42835640, 85671280]

約数ペア:

[(1, 85671280), (2, 42835640), (4, 21417820), (5, 17134256), (8, 10708910), (10, 8567128), (16, 5354455), (20, 4283564), (37, 2315440), (40, 2141782), (74, 1157720), (80, 1070891), (103, 831760), (148, 578860), (185, 463088), (206, 415880), (281, 304880), (296, 289430), (370, 231544), (412, 207940), (515, 166352), (562, 152440), (592, 144715), (740, 115772), (824, 103970), (1030, 83176), (1124, 76220), (1405, 60976), (1480, 57886), (1648, 51985), (2060, 41588), (2248, 38110), (2810, 30488), (2960, 28943), (3811, 22480), (4120, 20794), (4496, 19055), (5620, 15244), (7622, 11240), (8240, 10397)]