4387750420

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{212791}}^1$

素因数の和:213831

約数の個数: 24

約数和(自身を含む): 9223256448

約数和(自身を除く): 4835506028

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10310, 20620, 212791, 425582, 851164, 1063955, 2127910, 4255820, 219387521, 438775042, 877550084, 1096937605, 2193875210, 4387750420]

約数ペア:

[(1, 4387750420), (2, 2193875210), (4, 1096937605), (5, 877550084), (10, 438775042), (20, 219387521), (1031, 4255820), (2062, 2127910), (4124, 1063955), (5155, 851164), (10310, 425582), (20620, 212791)]