22281740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2058

約数の個数: 48

約数和(自身を含む): 51588768

約数和(自身を除く): 29307028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1993, 2236, 2795, 3986, 5590, 7972, 9965, 11180, 19930, 25909, 39860, 51818, 85699, 103636, 129545, 171398, 259090, 342796, 428495, 518180, 856990, 1114087, 1713980, 2228174, 4456348, 5570435, 11140870, 22281740]

約数ペア:

[(1, 22281740), (2, 11140870), (4, 5570435), (5, 4456348), (10, 2228174), (13, 1713980), (20, 1114087), (26, 856990), (43, 518180), (52, 428495), (65, 342796), (86, 259090), (130, 171398), (172, 129545), (215, 103636), (260, 85699), (430, 51818), (559, 39860), (860, 25909), (1118, 19930), (1993, 11180), (2236, 9965), (2795, 7972), (3986, 5590)]