31103677720

素因数分解:

$2^3\times 5^1\times {\mathrm{13711}}^1\times {\mathrm{56713}}^1$

素因数の和:70435

約数の個数: 32

約数和(自身を含む): 69989613120

約数和(自身を除く): 38885935400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13711, 27422, 54844, 56713, 68555, 109688, 113426, 137110, 226852, 274220, 283565, 453704, 548440, 567130, 1134260, 2268520, 777591943, 1555183886, 3110367772, 3887959715, 6220735544, 7775919430, 15551838860, 31103677720]

約数ペア:

[(1, 31103677720), (2, 15551838860), (4, 7775919430), (5, 6220735544), (8, 3887959715), (10, 3110367772), (20, 1555183886), (40, 777591943), (13711, 2268520), (27422, 1134260), (54844, 567130), (56713, 548440), (68555, 453704), (109688, 283565), (113426, 274220), (137110, 226852)]