2049521720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{30517}}^1$

素因数の和:30624

約数の個数: 64

約数和(自身を含む): 4877997120

約数和(自身を除く): 2828475400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 920, 1460, 1679, 2920, 3358, 6716, 8395, 13432, 16790, 30517, 33580, 61034, 67160, 122068, 152585, 244136, 305170, 610340, 701891, 1220680, 1403782, 2227741, 2807564, 3509455, 4455482, 5615128, 7018910, 8910964, 11138705, 14037820, 17821928, 22277410, 28075640, 44554820, 51238043, 89109640, 102476086, 204952172, 256190215, 409904344, 512380430, 1024760860, 2049521720]

約数ペア:

[(1, 2049521720), (2, 1024760860), (4, 512380430), (5, 409904344), (8, 256190215), (10, 204952172), (20, 102476086), (23, 89109640), (40, 51238043), (46, 44554820), (73, 28075640), (92, 22277410), (115, 17821928), (146, 14037820), (184, 11138705), (230, 8910964), (292, 7018910), (365, 5615128), (460, 4455482), (584, 3509455), (730, 2807564), (920, 2227741), (1460, 1403782), (1679, 1220680), (2920, 701891), (3358, 610340), (6716, 305170), (8395, 244136), (13432, 152585), (16790, 122068), (30517, 67160), (33580, 61034)]