8447840

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1479

約数の個数: 48

約数和(自身を含む): 20511792

約数和(自身を除く): 12063952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1427, 1480, 2854, 2960, 5708, 5920, 7135, 11416, 14270, 22832, 28540, 45664, 52799, 57080, 105598, 114160, 211196, 228320, 263995, 422392, 527990, 844784, 1055980, 1689568, 2111960, 4223920, 8447840]

約数ペア:

[(1, 8447840), (2, 4223920), (4, 2111960), (5, 1689568), (8, 1055980), (10, 844784), (16, 527990), (20, 422392), (32, 263995), (37, 228320), (40, 211196), (74, 114160), (80, 105598), (148, 57080), (160, 52799), (185, 45664), (296, 28540), (370, 22832), (592, 14270), (740, 11416), (1184, 7135), (1427, 5920), (1480, 5708), (2854, 2960)]