202279720

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{38603}}^1$

素因数の和:38745

約数の個数: 32

約数和(自身を含む): 458615520

約数和(自身を除く): 256335800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 38603, 77206, 154412, 193015, 308824, 386030, 772060, 1544120, 5056993, 10113986, 20227972, 25284965, 40455944, 50569930, 101139860, 202279720]

約数ペア:

[(1, 202279720), (2, 101139860), (4, 50569930), (5, 40455944), (8, 25284965), (10, 20227972), (20, 10113986), (40, 5056993), (131, 1544120), (262, 772060), (524, 386030), (655, 308824), (1048, 193015), (1310, 154412), (2620, 77206), (5240, 38603)]