8998280

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 20355840

約数和(自身を除く): 11357560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 991, 1135, 1816, 1982, 2270, 3964, 4540, 4955, 7928, 9080, 9910, 19820, 39640, 224957, 449914, 899828, 1124785, 1799656, 2249570, 4499140, 8998280]

約数ペア:

[(1, 8998280), (2, 4499140), (4, 2249570), (5, 1799656), (8, 1124785), (10, 899828), (20, 449914), (40, 224957), (227, 39640), (454, 19820), (908, 9910), (991, 9080), (1135, 7928), (1816, 4955), (1982, 4540), (2270, 3964)]