4409950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1092

約数の個数: 24

約数和(自身を含む): 8303040

約数和(自身を除く): 3893090

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 991, 1982, 2225, 4450, 4955, 9910, 24775, 49550, 88199, 176398, 440995, 881990, 2204975, 4409950]

約数ペア:

[(1, 4409950), (2, 2204975), (5, 881990), (10, 440995), (25, 176398), (50, 88199), (89, 49550), (178, 24775), (445, 9910), (890, 4955), (991, 4450), (1982, 2225)]