8007220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 19184256

約数和(自身を除く): 11177036

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 103, 115, 130, 169, 206, 230, 260, 299, 338, 412, 460, 515, 598, 676, 845, 1030, 1196, 1339, 1495, 1690, 2060, 2369, 2678, 2990, 3380, 3887, 4738, 5356, 5980, 6695, 7774, 9476, 11845, 13390, 15548, 17407, 19435, 23690, 26780, 30797, 34814, 38870, 47380, 61594, 69628, 77740, 87035, 123188, 153985, 174070, 307970, 348140, 400361, 615940, 800722, 1601444, 2001805, 4003610, 8007220]

約数ペア:

[(1, 8007220), (2, 4003610), (4, 2001805), (5, 1601444), (10, 800722), (13, 615940), (20, 400361), (23, 348140), (26, 307970), (46, 174070), (52, 153985), (65, 123188), (92, 87035), (103, 77740), (115, 69628), (130, 61594), (169, 47380), (206, 38870), (230, 34814), (260, 30797), (299, 26780), (338, 23690), (412, 19435), (460, 17407), (515, 15548), (598, 13390), (676, 11845), (845, 9476), (1030, 7774), (1196, 6695), (1339, 5980), (1495, 5356), (1690, 4738), (2060, 3887), (2369, 3380), (2678, 2990)]