77543960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11471}}^1$

素因数の和:11508

約数の個数: 48

約数和(自身を含む): 188943840

約数和(自身を除く): 111399880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 11471, 22942, 45884, 57355, 91768, 114710, 149123, 229420, 298246, 458840, 596492, 745615, 1192984, 1491230, 1938599, 2982460, 3877198, 5964920, 7754396, 9692995, 15508792, 19385990, 38771980, 77543960]

約数ペア:

[(1, 77543960), (2, 38771980), (4, 19385990), (5, 15508792), (8, 9692995), (10, 7754396), (13, 5964920), (20, 3877198), (26, 2982460), (40, 1938599), (52, 1491230), (65, 1192984), (104, 745615), (130, 596492), (169, 458840), (260, 298246), (338, 229420), (520, 149123), (676, 114710), (845, 91768), (1352, 57355), (1690, 45884), (3380, 22942), (6760, 11471)]