50039720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 118800000

約数和(自身を除く): 68760280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 436, 460, 499, 545, 872, 920, 998, 1090, 1996, 2180, 2495, 2507, 3992, 4360, 4990, 5014, 9980, 10028, 11477, 12535, 19960, 20056, 22954, 25070, 45908, 50140, 54391, 57385, 91816, 100280, 108782, 114770, 217564, 229540, 271955, 435128, 459080, 543910, 1087820, 1250993, 2175640, 2501986, 5003972, 6254965, 10007944, 12509930, 25019860, 50039720]

約数ペア:

[(1, 50039720), (2, 25019860), (4, 12509930), (5, 10007944), (8, 6254965), (10, 5003972), (20, 2501986), (23, 2175640), (40, 1250993), (46, 1087820), (92, 543910), (109, 459080), (115, 435128), (184, 271955), (218, 229540), (230, 217564), (436, 114770), (460, 108782), (499, 100280), (545, 91816), (872, 57385), (920, 54391), (998, 50140), (1090, 45908), (1996, 25070), (2180, 22954), (2495, 20056), (2507, 19960), (3992, 12535), (4360, 11477), (4990, 10028), (5014, 9980)]