4538780

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 9582720

約数和(自身を除く): 5043940

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 991, 1145, 1982, 2290, 3964, 4580, 4955, 9910, 19820, 226939, 453878, 907756, 1134695, 2269390, 4538780]

約数ペア:

[(1, 4538780), (2, 2269390), (4, 1134695), (5, 907756), (10, 453878), (20, 226939), (229, 19820), (458, 9910), (916, 4955), (991, 4580), (1145, 3964), (1982, 2290)]